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Atomlab Wipe Test Counter Operation and Service Manual

1. Ea 1 DISPLAY DIAGNOSTICS e e rere ener eere 1 D DECAY CALCULAT O N S esito tu o toi eee D 1 E SERIAL COMMUNICATIONS 1 ELECTROMAGNETIC 1 zoe IE G 1 gt REPLACEMENT PARS EN EMI RIO NEN H 1 1 SCHEMATICS iai hecha ene 1 IV ATOMLAB WIPE TEST COUNTER Definition of Symbols The following symbols and their associated definitions are used and implied throughout this manual Carefully read these instructions prior to use Caution General Warning General Mandatory Action Dangerous Voltage On Power Off Power Earth ground Alternating Current Fuse USB Connector Cable Waste in Electrical Equipment Date of Manufacture gt 0 lt Applied Part M TA CE Mark Mark for products with Certificate 5 Intertek Certified for Safety by ETL Intertek Before Proceeding e NOTE The warnings cautions and instructions provided in this manual must be read gt followed available for consultation at all times Observing the information instructions and procedures presented t
2. DEC Decay LIN Lineator CAL Calicheck HVA wipe High Voltage Adjustment CLB wipe Daily Calibration BCK wipe Background WIP Wipe Tests CHI Chi Square WCN Wipe Test Constancy The first item returned will be a CR LF terminated line Records count of records being sent Followed by the actual records in the current export format If there are no records meeting the criteria all that is returned would be 0 Records For the Wipe Test data a line will be added immediately after the Location line for the Location Type Type Location Type where Location can be Restricted Unrestricted Sealed Source or Package Also the Wide Window Background CPM value is currently being exported I didn t realized this before It s in the Wide Window record Here is an exam ple of the Wide Window record with a brief description of the fields WideWindow Cs 137 40 DPM 14 0 1039 DPM 20000 DPM Ok 35 24 25 800 keV Where Cs 137 isotope name assigned for the wide window 40 DPM wide window net count in DPM 14 0 wide window net count in CPM 1039 DPM Background CPM for the wide window 20000 DPM trigger level for the wide window Ok status of the wide window Ok or OVER 35 24 total efficiency of the wide window 25 800 keV ROI of the wide window Biodex Medical Systems Inc 2014 E 5 RESET SETID SMP SSAV SSRC STAT 1 0 VER E 6 APPENDIX E
3. Figure 8 5 The Data Import Okay to Proceed screen 8 4 SYSTEM MAINTENANCE ATOMLAB WIPE TEST COUNTER Delete Data 1 On the System Maintenance screen touch lt Data Management gt and enter your password Data Management screen should now be displayed 2 Touch lt QA Data Management gt The Summary View of Stored QA Data screen is now displayed with results for all tests on all detectors listed or results for a specific detector if selected 3 Touch lt Delete gt The QA Data Delete screen is displayed 4 Touch lt Option gt to select the date range for the data to export Choose from All Prior To or From To by touching lt Options gt to advance through the choices 5 For all choices other than All and Only New touch the date to change The QA Data Delete screen is displayed 6 Touch the date segment to change and use lt A gt VW to scroll to the date desired 7 Touch lt Enter gt to confirm the new date and return to the QA Data Delete screen 8 Touch lt QA Dataset gt to view the dataset options Choose from datasets or continue touch ing lt QA Dataset gt to scroll through the list of individual datasets 9 Touch lt Delete Now gt to delete the selected dataset and return to the Summary View of Stored QA Data screen System Test See Figure 8 6 3 46 53PM EST 11 07 2010 System Test A Detector Has Been Identified BIOS POST Results PASS D
4. THEM tm EL 90 00 28 TL 048 11 RE emo 5 3 AU 5 108 I 6b HALL I EN TANT san EX IE we m perd 5 b mr NIA 01108 2 LG HOC IHE CE 1 E 341 331 si OF Te O mnane 247 i i l 318 OES Au BAD 0 ELEME 400 BA LOIS 12068 EIU 5063 00 05 UMS mo aT om orum asd ANSIO LE II UT SIT ung 1 21 5 B 78 GE RUINIS ERE 5 guia D 219274 ME arab CI LS REPE ur AE NOM 21 TEE Dx EAE arm spy ASSY vao AS RN VERUS SHOES OE T2 ASI 027 o 2 gent 1 JE 2 JS 29 071 3915 77 DER C wan gt 04812 L gf EE 12 1 88 1 E MT dh NE NC t 5 8 3170 gt svn jur iia _ nauwmensan DE NIS 75 Vo iat 2 HEN 0 889 8 UT GAP QYer Ses did Mars rt Sa a un Be 8 0 088 D SAN 0 7 EH IH gue 0 859 1 ON AA 1 al ALAN a
5. Touch lt Add Technologist gt Use the keypad to enter the technologist name and touch lt Enter gt The new technologist name will be added to the Technologist list Touch to highlight the technologist name desired from the Technologist List and then touch lt Enter gt The system returns to the Background Wipe Test Counter screen with the new technologist selected 4 Touch lt Print gt to print out a copy of the background results if desired 5 Touch lt Save Continue gt to record and return to the Wipe Counter QA screen 6 10 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER View Background Data See Figures 6 8 6 11 Background Data Wipe Counter desk Biodex Model 086 332 Serial 1004002P Detector Serial 2007002 Date Status Counts Cnts gt 800keV Total CPM Time secs Technologist 11 07 10 3 52 PM Ok 399 124 399 0 60 5 11 05 10 5 46 253 57 506 0 30 5 11 01 10 10 09 148 37 296 0 30 10 27 10 11 26 45 302 0 30 10 20 40 5 50 247 54 434 0 30 10 15 10 5 25 178 64 356 0 30 cs 10 14 10 6 21 AM 151 2 302 0 30 cs 10 09 40 5 57 161 67 322 0 30 5 10 09 40 5 54 160 57 320 0 30 5 10 03 40 7 18 o60000e Back Options View Data Delete Earlier Later Print 55 358 0 Figure 6 8 The Background Data screen Stored Wipe Data Options Wipe Counter BIODEX office Biodex Model 086 331 Serial
6. This will generally keep the overall counting rate below 10 000 cps and will eliminate any spectrum distortion or non linearity from playing a role in the efficiency calculation A suggested procedure for source preparation is outlined on the next page The liquid source will be deposited on an absorbent material in the bottom of a plastic vial which fits inside the well It is recommended that no more than 10 ul of liquid be dispensed in order to reduce spilling radioactive material A 2 APPENDIX A ATOMLAB WIPE TEST COUNTER Source Preparation 1 an activity of 0 01 to 0 1 mCi of the isotope in 10 0 of saline This will result in a concentration of approximately 0 001 to 0 01 mCi ml The volume should be either con trolled as close as possible to 10 0 ml or precisely measured Assay the activity in the vial in a dose calibrator which has a resolution of 0 01 Ci Compen sate for background before making the measurement Record the time of measurement Calculate concentration by dividing the measured activity by the source volume and record with the time of measurement Prepare the vial with absorbent material such as a portion of a wipe pad or the end of a Q tip at the bottom of the vial Draw off 10 ul of source material and carefully place the end of the syringe tip at the bottom of the vial Deposit all of the source material onto the absorbent material Withdraw the syringe and immedia
7. commands in ASCII format terminated by a Carriage Return 0 00 and no longer than 7 letters If a parameter is given the command must be separated from the parameter by at least 1 space and or the command or parameter has a format error or numeric parameter is out of range an error message is sent out the serial port terminated by CR LF data trans mitted as a result of a command is also in ASCII and terminated by a CR LF Usage Notes Some of these commands that actively change settings and operation of the display can cause corruption of an activity someone may be in progress of at the display console These remote commands must be used with great care and consideration of how the unit is being used The ISO command for example when used to change an isotope is fine on a detector not in use but if a QA test is in progress for a sealed source and the ISO command changes the isotope the displayed activity will be out of sync with the displayed isotope symbol name Command Descriptions There are commands to report status and some control the unit Following is a list with de scriptions in alphabetic order AC Hex 0x03 Sends the most current activity reading out the serial port A Carriage Return 0 00 is not required This is implemented for backwards compatibility with the AtomLab 100 200 models Please refer to the DS command for details of the activity report format 1 Hex 0x31 same as A
8. 08070015 Detector Serial 8070003 Date Status Voltage V Peak Bin Time secs Technologist 01 12 09 14 04 1022 5 52 59 01 06 09 14 25 1020 0 52 59 12 02 08 08 55 1021 3 52 53 11 21 08 13 56 1020 0 52 65 11 01 08 08 10 1021 3 52 53 MO o Back Options Delete Earlier Later Print Figure 6 6 The High Voltage Adjustment Data screen The View High Voltage Data function allows users to view all high voltage adjustments per formed It displays the high voltage date and times status voltage V peak bin time seconds and technologist along with the Biodex Wipe Test Counter model number display serial num ber and detector serial number Users can choose to view the entire list of high voltage adjust ments or select specific date ranges to review Unwanted high voltage adjustments can also be deleted To View High Voltage Adjustments 1 At the Wipe Test Counter QA screen select View HV Adjustment Data The HV Adjustment Data screen is now displayed with a listing of all high voltage adjustments performed Use the A or lt gt icons to scroll though the list if you desire to see entries from earlier or later dates not displayed To Delete Any Listed High Voltage Adjustment 1 At the HV Adjustment Data screen highlight the date to delete and then select Delete 2 Select Yes to delete the entry and return to the HV Adjustment Data sc
9. 76525 75996 75471 74950 74432 73918 73408 72900 72397 71897 71400 70907 007 98829 98146 97468 96795 96126 95462 94803 94148 93498 92852 92210 91573 90941 90313 89689 89069 88454 87843 87236 86634 86035 85441 84851 84265 83683 83105 82531 81960 81394 80832 80274 79719 79169 78622 78079 77539 77004 76472 75944 75419 74898 74381 73867 73357 72850 72347 71847 71351 70858 99516 008 99447 98760 98078 97400 96728 96059 95396 94737 94083 93433 92787 92146 91510 90878 90250 89627 89008 88393 87782 87176 86574 85976 85382 84792 84206 83625 83047 82473 81904 81338 80776 80218 79664 79114 78567 78025 77486 76950 76419 75891 75367 74846 74329 73816 73306 72799 72297 71797 71301 70809 009 99378 98692 98010 97333 96661 95993 95330 94671 94017 93368 92723 92083 91447 90815 90188 89565 88946 88332 87721 87115 86514 85916 85323 84733 84148 83567 82989 82416 81847 81282 80720 80163 79609 79059 78513 77970 77432 76897 76366 75838 75315 74794 74278 73765 73255 72749 72247 71747 71252 70760 DECAY FACTOR CHART Xr R where t T1 2 0 500 to 1 0 2 R 000 001 002 003 004 005 006 007 008 009 50 70711 70662 70613 70564 7
10. Cancel Figure 6 4 The Calibration Constancy Data Options screen High Voltage Adjustment See Figure 6 5 High Voltage Adjustment Wipe Counter Biodex Model 086 332 Serial 1008002p Detector Serial 9020011 Voltage 1112 0 Date February 02 2012 Elapsed Time 72 High Voltage Adjustment Technologist Completed Ok EE Save Continue Figure 6 5 The High Voltage Results screen 6 6 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER High Voltage Adjustment should performed the very first time the system is used if the sys tem 15 to be used in new environment or in the instance where substantial change has been made i e when using a new tube High Voltage is automatically prompted if you attempt to perform a wipe without having completed a High Voltage Adjustment within the last 30 days or if there is a bin shift of more than 2 bins Because background can change with high voltage you must perform a new background test every time you do a high voltage test NOTE When a High Voltage Adjustment is performed on a detector the pervious background for that detector is zeroed You must perform a new background for a detector following a High Voltage Adjustment You can do a high voltage adjustment for the detector at any time To Perform A High Voltage Adjustment 1 At the Home Menu touch lt Wipe Counter Quality Assurance gt The Wipe Counter QA screen is displayed NOTE It is recommen
11. gt gt bbb WARNING All activities and count values sample reports this manual are for illustration purposes only They do not represent actual study values AVERTISSEMENT Toutes les activit s et les valeurs de compte sur les rapports de pro motion dans ce manuel sont pour les buts d illustration seulement Ils ne repr sentent pas de valeurs d tude r elles CAUTION Unauthorized modifications to this product are not permitted and will void the manufacturer s warranty Unauthorized modification of the product may result in hazard to the user and or patient Do not modify this equipment without authorization from the manufacturer ATTENTION Les modifications faites sans autorisation ce produit ne sont pas per mises et va faire le vide la garantie du fabricant La modification faite sans autorisation du produit peut s ensuivre dans un hasard l utilisateur et ou le patient Ne modifiez pas cet quipement sans autorisation du fabricant CAUTION The Atomlab Wipe Test Counter is intended to count and report the remov able contamination level of a wipe taken from a designated area or sample ATTENTION Les Atomlab Essuient le Comptoir D essai est destin pour compter et annoncer le niveau de contamination amovible du fait d essuyer pris d une r gion d sign e ou d un chantillon Training On site installation and training is optional The operation manual includes assembly and oper ating instructions
12. Full Spectrum Counts Total Test Time secs Cuts gt 800 kev 800 keV Chi Square Completed Passed Technologist Chi Square 7 95 should be 4 17 to 14 68 John Smith Print Save Continue Figure 6 15 The Chi Square screen Biodex Medical Systems Inc O 2014 6 17 As is the case with daily calibration Chi Square is performed using a 0 1 Cs 137 rod source The Chi Square test is independent of the counting time counting rate and number of counts performed For this reason Chi Square is a very valuable test for a detector system which is recording truly random events For example if systematic failure occurs at low counting rates but passes at high rates there is an indication of a non random event occurring which is comparable to the low counting rates Since time is precise to within 10 microseconds with a crystal con trolled clock 10 second count times should have very little error due to the timer itself The number of counts performed is 10 which determines the number of degrees of freedom 9 for the analysis The lower limit is 4 168 the upper limit is 14 68 These correspond to a 90 probability for passing the lower limit and 10 probability for passing the upper limit respec tively In all one would expect a 20 failure rate frequency for the Chi Square test It is not rea sonable to always pass or always fail Chi Square without raising concerns that there may be a system
13. Inner diameter of the well opening X Depth into the well measured from the top surface Example The Biodex Nal well dimensions have I D 0 75 inches and well depth of 1 432 inches When the wipe or calibration source is placed in the well the isotope emitting radia tion will not be at the very bottom If we take the isotope position to be 1 inch from the top then G E 96 82 For X 1 25 inches deep G E 97 89 For X 0 75 inches deep G E 94 72 which are 1 07 and 2 1 respectively from 1 inch B Detector Efficiency D E D E can be calculated theoretically from system parameters or can be empirically determined by measuring the count rate from a known activity of each isotope The empirical method re sults in a composite value G E D E which can be reduced to D E by dividing by the calcu lated value for G E Only the empirical method will be discussed below The theoretical analytic method is discussed Item E following an example calculation C Efficiency Values for Wipe Testing All isotopes for which wipes are to be counted shall either be prepared from a known liquid concentration or if possible a standard source can be purchased in a wand form from various manufacturers Generally the isotopes Cs 137 Co 57 60 Ba 133 and Am 241 are available in wand form with a stated activity and uncertainty The activity should be kept in the range of 0 01 to 0 1 Ci and should not exceed 0 2
14. NRC Nuclear Regulatory Commission which is the agency of the federal government which regulates radioactive materials Minimum Detectable Activity MDA The smallest activity that can be detected by an instrument for a specific radionuclide with fined region of interest Chi Square test used to determine whether random variations in set of measurements are consistent with what would be expected for a Poisson distribution High Voltage High voltage is current which is applied to the photomultiplier tube to multiply the current Well Detector This is a drilled sodium iodide detector Biodex Medical Systems Inc 2014 1 Appendix Atomlab Wipe Test Counter Replacment Parts Atomlab Wipe Test Counter Replacement Parts See Figure 1 C13116 POWER SUPPLY 11789 CORD SET 10547 THREE LOBE KNOB 086 330 E102 UNIVERSAL MEMBRANE SWITCH 10320 ON OFF SWITCH 950 385 802 DISPLAY ASSEMBLY 950 385 E840 LCD DISPLAY BOARD C12696 LCD INVERTER 086 241 WELL INSERT 086 242 WELL VIAL SYRINGE DIPPER 086 330 705 CABLE 8 8187 BUMPONS SELF ADHESIVE GREY 086 345 CHAMBER CABLE 15 FEET Biodex Medical Systems Inc 2014 1 1521 qppuojy 24n814 DORE CES QUE ST ei mo x WOE enm
15. See Appendix A Isotope Efficiency Calculation for more detail Detector Efficiency is selected from the Isotope Settings screen If you are on the Isotope Setting Screen skip to Step 7 To Access The Detector Efficiency Screen 1 From the Home screen select lt Utilities gt The Utilities screen is now displayed 2 Select lt Wipe Counter Configuration gt The Wipe Test Counter Configuration screen is now displayed 3 Select Isotope List 4 At the Enter Password screen key in your password 123 is the default Select Enter to advance to the Isotope List For Wipes screen 5 Select Isotope Settings The Select Isotope screen is now displayed 6 Select the desired isotope from the Isotope List and select Enter The Isotope Settings screen for the selected isotope is now displayed 7 Select Detector Efficiency The Detector Efficiency screen is now displayed The Detector Efficiency screen allows the technologist to use a user created sample or count a known reference standard to determine the isotope efficiency or use a predetermined factory effi ciency by entering the number You can also set the detector geometric efficiency Biodex Medical Systems Inc O 2014 4 9 Geometric Efficiency See Figure 4 10 Set Geometric Efficiency Inside Diameter Depth in Well to Center of Wipe default is 2 54 cm from the top lt Cancel Factory Defaults Figure 4 10 The Set Geometric
16. TINIE M o QUIM T1 8C gig ABS ID aT ASS av ASSY NTM C LIL 49 dec MESES ATOMLAB WIPE TEST COUNTER H 2 APPENDIX H Appendix 1 Schematics Biodex Medical Systems Inc 2014 BIODEX Biodex Medical Systems Inc 20 Ramsey Road Shirley New York 11967 4704 Tel 800 224 6339 Int l 631 924 9000 Fax 631 924 9241 Email info biodex com www biodex com
17. calibrations prior to a specific date calibration between two specific dates or Calibra tions Constancys from after a selected date 1 At the View Calibration Constancy Data screen select lt Options gt to advance to the Calibra tion Constancy Data Options screen 2 Select lt Option gt to toggle through the calibration constancy list viewing options To view All calibrations or Today s calibrations only toggle to the desired choice and select lt Enter gt The View Calibration Constancy Data screen is now displayed with the appropriate calibration list 3 To view calibrations prior to a selected date between selected dates or from a selected date use lt Option gt to toggle to the desired setting 4 Select the appropriate lt Date gt field and then enter the desired date or date range using the lt A gt or lt W gt icons Select lt Enter gt after completing each field to record the new date 5 Once the date fields are completed select lt Enter gt to return to the Calibration Constancy Data screen calibrations for the selected date s now displayed 6 Select lt Print gt at any time to print the Calibration Constancy Data screen Biodex Medical Systems Inc 2014 6 5 Calibration Data Options Wipe Counter BIODEX office Biodex Model 086 332 Serial 08070015 Detector Serial 8070003 Total Stored Records 41 Option From To 12 01 2008 12 31 2008 x Total Records Selected 22 c
18. page Wipe Utilities Menu is now displayed Touch lt Wipe Counter Configuration gt to access the Wipe Counter Configuration screen Touch the desired option to select Q NOTE Before proceeding with an initial wipe test the wipe areas and efficiencies for each individual isotope to be wiped must be defined You must therefore select the isotopes you wish to use and count or input their efficiencies before performing any wipe testing The wide window uses Cs 137 for the default isotope Wipe Counter Configuration Isotope List Wipe Location Setup Wide Window Isotope Preferences Figure 4 2 The Wipe Counter Configuration screen using a calibration and not a constancy 4 2 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER Wipe Counter Configuration Isotope List Wipe Location Setup Wide Window Isotope Preferences Constancy Setup lt 2 lt Figure 4 3 The Wipe Counter Configuration menu using Constancy for Calibration Isotope List See Figures 4 4 and 4 5 The password protected Isotope List for Wipes allows the technologist to select isotopes as well as add remove or edit custom isotopes It also allows editing of isotope settings To Access The Isotope List For Wipes Screen 1 From the Utilities Menu touch lt Wipe Counter Configuration gt The Wipe Counter Configuration screen should now be displayed 2 Touch Isotope List and then enter your password 123 is the default password T
19. 2 1 Operating Requirements 2 1 Cable Connections 2 3 Power 5 2 5 RE A 2 6 Quality Assurance Testing ui HER Pr BIRD XD UR a 2 6 3 GET TING S TARTED moe HT 3 1 Basic Key RUNCtOMS Es AE Inl 3 1 3 1 Before Wipe 3 2 4 CONFIGURATION 6 4 1 Wipe Counter Configuration sise 4 2 LSU 4 5 Isotope rene re Te ae ee rg ee sas ea UE ER pe PR a 4 7 Regulatory Level Sieniniai aet ia i et tee quote es de bre di nette La 4 10 Detector iiid ver edes P seen dede yr etin 4 11 Geometric Efficiency nc RII PIS ien 4 12 Setting Geometric Efficiency 4 13 Using the Factory Installed Detector Efficiencies 2 2 4 13 Manually Entering Detector Efficiency ss 4 14 To Count and Set The Detector Efficiency of a Known Standard 4 15 Make An Isotope Available
20. 201 50 100 50 5 Yb 169 41 228 NOTE It is recommended that users use the Empirical testing procedures for setting detector efficiency NOTE Ra 223 Efficiency in the well counter varies depending on the type of sample placed into the well Ra 223 10 ml ina plastic vial is 141 2 223 1 ml in a plastic vial is 116 46 Ra 223 Wipe Smear in plastic vial is 66 3 These are all with the Geometric Efficiency set to 96 82 Biodex Medical Systems Inc 2014 A 9 Atomlab Wipe Test Counter Specifications Display Display LCD Touch Panel 6 5 x 5 function keys are displayed for the operation being performed Connectors RJ 12 for well cable Line Voltage 100 to 240 VAC auto selectable by the power supply 1 5 0 75 amps Line Frequency 50 60 Hz detachable line cord built in EMI filter and transient suppression Auxiliary Port Two USB ports one RS 232 port Memory Stores wipe calibration background high voltage isotope specification isotope efficiency Chi Square testing results technologist list wipe locations list and latest MDA calculation Results can be displayed and printed Preset Radionuclides 27 including Tc 99m 57 Cs 137 67 TI 201 I 123 1 125 1 131 In 111 F 18 Power This system uses XP Power Supply for medical use Model PDM60US15 Detector Cable Length Standard 8 ft 243cm custom cable lengths available up to 20 meters Conductors
21. 5 2000 Calicheck 12 14 2011 12 14 2011 1 2000 Adjustment 10 27 2014 02 05 2012 7 2000 Calibration 10 24 2011 12 02 2011 2 4000 Background 10 24 2011 02 14 2012 25 8000 Wipe Data 12 01 2011 02 05 2012 30 24000 Chi Square Data 12 01 2011 02 05 2012 6 2000 Wipe Constancy 11 02 2011 02 14 2012 26 4000 Total 10 24 2011 02 15 2012 197 66000 Opoe Select Detector Import Delete Figure 8 2 The summary View of Stored QA Data QA Data Export All Chambers Biodex Model 086 332 Serial 1008002p Total Records For Detector 197 2 Figure 8 3 The Data Export screen 8 2 SYSTEM MAINTENANCE ATOMLAB WIPE TEST COUNTER Data Management allows the user to view delete export import the results of tests to a thumb drive for a selected detector or all detectors The user can select from all tests tests prior to or after a specified date or within a specific date range To choose data for a spe cific detector toggle the lt Select Detector gt button at the bottom of the screen until the desired information is displayed NOTE Be sure to install the thumb drive in one of the USB ports located on the back of the dis play panel before attempting to export import or back up QA and system data To Export QA Data Management 1 On the System Maintenance screen touch Data Management 2 Enter your password and touch lt Enter gt 3 Select lt QA
22. 87478 86874 86274 85678 85086 84499 83915 83335 82760 82188 81620 81057 80497 79941 79388 78840 78295 77755 77218 76684 76154 75628 75106 74587 74072 73560 73052 72548 72047 71549 71055 DECAY FACTOR CHART R where R t Ty 0 000 to 0 499 004 99723 99034 98350 97671 96996 96326 95661 95000 94344 93692 93045 92402 91764 91130 90501 89876 89255 88638 88026 87418 86814 86214 85619 85027 84440 83857 83278 82702 82131 81564 81000 80441 79885 79333 78785 78241 77701 77164 76631 76102 75576 75054 74536 74021 73509 73002 72497 71997 71499 71005 005 99654 98966 98282 97603 96929 96259 95595 94934 94278 93627 92980 92338 91700 91067 90438 89813 89193 88577 87965 87357 86754 86155 85559 84968 84382 83799 83220 82645 82074 81507 80944 80385 79830 79278 78731 78187 77647 77111 76578 76049 75524 75002 74484 73969 73458 72951 72447 71947 71450 70956 006 99585 98897 98214 97536 96862 96193 95528 94868 94213 93562 92916 92274 91637 91004 90375 89751 89131 88515 87904 87297 86694 86095 85500 84910 84323 83741 83162 82588 82017 81451 80888 80329 79775 79223 78676 78133 77593 77057
23. 9 5 Wx 12 H x 12 D 24 1 x 30 5 x 30 5cm Weight 4 2 Ib 1 9 kg Well Counter Size 6 D x 11 H 15 24 x 27 9cm Weight 29 Ib 3 2 kg Approvals ETL listed to UL 60601 1 and CAN CSA C22 2 No 601 1M90 IEC 60601 1 IEC 60601 1 1 IEC 60601 1 4 and IEC 60601 1 2 and CE marked CE Intertek Authorized European Community Representative Emergo Europe Molenstraat 15 2513 BH The Hague The Netherlands B 2 APPENDIX B ATOMLAB WIPE TEST COUNTER Appendix Atomlab Test Counter Display Diagnostics Introduction The color touch screen display for the Atomlab Wipe Test Counter has built in boot up self di agnostics along with real time monitoring of the detector statuses The wipe counter well itself performs real time self tests the results of which are reported back to the display approxi mately once per second Well Counter is an example of a type of detector supported The results of the display module s self test are displayed during the display s power up as well as on demand shown on the System Test screen under Utilities in the upper section of the dis play results In addition during normal operation detector status changes are handled by the display reported on screen with a pop up and audio tone alert and actions taken based on the severity of the reported status The System Test screen displayed results are divided into two sections upper half is the display module s det
24. 96 363 0 Test Time secs 800 keV Wipe Calibration Completed Ok Technologist FWHM 7 7 should be less than 10 Print Save Continue Figure 6 2 The Calibration Wipe Test Counter screen A calibration must be completed whenever the system power has been turned OFF or once every 24 hours At power up the system automatically prompts for a daily calibration It will also prompt for daily calibration before allowing a wipe test if calibration has not been per formed within the past 24 hours For calibration at any other time access calibration from the Wipe Test Counter Quality Assurance screen The Constancy function is a form of calibration that uses the same source and source orientation to provide repeatable counts for the calibration The system calculates the variation between daily calibration counts to determine the variation in counts as the daily constancy calculation The counts should be within a certain variation to have an acceptable constancy level To Perform A Calibration Constancy 1 At the Home Menu touch lt Wipe Counter Quality Assurance The Wipe Counter QA screen is displayed 2 Select lt Calibration Constancy gt The Calibration Wipe Test Counter screen is displayed 3 Ensure the area is clear of contamination 4 Place the Cs 137 Rod Source into the wipe detector and touch lt Start gt The system will begin a 20 second countdown NOTE It is recommended to use 0 1 uCi Cs 137
25. An applications training webinar is available on the internet at no charge ap plication questions can be directed to our service department during business hours Biodex Medical Systems Inc 2014 VII Product Certifications Classifications The Atomlab Wipe Test Counter has received the following certifications and falls within the following classifications Listed Electrical Equipment Laboratory Use Part 1 General Requirements for Safety conforms to UL 60601 1 CAN CSA 22 2 601 1 90 IEC 60601 1 IEC 60601 1 4 IEC 60601 1 2 and CE Marked FDA Class Il Equipment EC Certificate EC 41312458 Applied Part T Electromagnetic Compatibility This equipment complies with the Medical Equipment ICC60601 2 EMC Standard NOTE Circuit diagrams for this product are provided in the Schematics section at the back of this manual Authorized European Community Representative Europe Molenstraat 15 2513 BH The Hague The Netherlands Vill ATOMLAB WIPE TEST COUNTER Important Safety Information 999 gt gt lt CAUTION Federal Law restricts this device to sale by or on the order of a physician pharmacist or other licensed professional ATTENTION La Loi f d rale limite ce dispositif vente par ou sur l ordre d un m decin pharmacien ou autre professionnel autoris Follow the unpacking and assembly instruc
26. Conducted RF 3 Vrms 3 Vrms Portable and mobile RF communications IEC 61000 4 6 150 KHz to 80 MHz 150KHz to 80 2 equipment should be used no closer to any part Radiated RF of the AL 500 including cables than the 61000 4 3 80 MHz to2 5 GHz Soa MN Pon epum separation distance calcinlated from the equation applicable to the frequency of the transmitter Recommended separation distance d 1 2V P 150 KHz to 80 MHz d 1 2V P 80 MHz to 800 MHz d 2 3N P 800 MHz to 2 5 GHz where P is the maximum output power rating of the transmitter in watt W according to the transmitter manufacturer and d is the recommended separation distance in meters m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey should be less than the compliance level in each frequency range P Interference may occur in the vicinity of equipment marked with the following symbol 2 Note 1 UT is the a c mains voltage prior to application of the test level Note 2 At 80 MHz and 800 MHz the higher frequency range applies Note 3 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflections from structures objects and people Field strength from mixed transmitters such as base stations for radio telephones and land mobile radios amateur radio AM or FM broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromag
27. Data Managment gt The Summary View of Stored QA Data screen is displayed with results for all tests on all detectors listed or results for a specific detector if selected 4 Touch lt Export gt The QA Data Export screen is displayed Touch lt Option gt to select the date range the data to export Choose from Prior From To From or Only New by continuing to touch lt Option gt to advance through the choices For all choices other than and Only New touch the date to change it Touch the date segment to change and use lt gt lt W gt to scroll to the date desired Touch lt Enter gt to confirm the new date and return to the QA Data Export screen 597 QE NS Touch lt QA Dataset gt to view the dataset options Choose from All datasets or continue touching lt QA Dataset gt to scroll through the list of individual datasets Daily Constancy Ex panded Constancy Geometry Accuracy Decay Lineator and Calicheck 10 Touch lt Export Prep gt to export the selected dataset and return to the Summary View of Stored QA Data screen or lt Back gt to return to the Summary View of Stored QA Data screen without exporting data 11 Select lt Export USB gt or lt Export Serial gt The system exports the data notes that the export has been completed and returns to the QA Data Export Prep screen To Import QA Data 1 On the System Maintenance screen touch lt Data Management gt and enter
28. Isotope List For Wipes screen The isotope is now removed from the Isotope List NOTE You can only remove the custom isotope you have added to the Isotope List You cannot remove the factory list of isotopes 4 16 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER Edit Custom Isotope See Figure 4 16 Edit Custom Isotope For Wipes Isotope Symbol Tc 99wide 6 007 Hours Regulatory Levels for Wipe Areas in DPM Restricted 5000 Unrestricted 2000 Cancel Figure 4 16 The Edit Custom Isotope for a specific added custom isotope To Edit An Added Custom Isotope From The Isotopes List NOTE You can only edit the custom isotopes you added to the new isotope list To edit the fac tory list of isotopes use the Isotope Settings screen NOTE If you are at the Isotope List for Wipes Screen go to Step 5 1 From the Home screen select lt Utilities gt The Utilities screen is now displayed 2 Select lt Wipe Counter Configuration gt The Wipe Test Counter Configuration screen is now displayed 3 Select Isotope List 4 At the Enter Password screen key in your password 123 is the default Select Enter to ad vance to the Isotope List For Wipes screen 5 Select Edit Custom Isotope The Edit Isotope screen is now displayed 6 Select the isotope to edit from the Isotope List and select Enter The Edit Isotope For Wipes screen for the selected isotope is now displayed 7 Touch to highlight any
29. Rod Source 5 If you need to enter or change the technologist touch lt Technologist gt The Technologist List will be displayed 6 2 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER To enter new technologist Touch lt Add Technologist gt Use the keypad to enter the technologist name and touch lt Enter gt The new technologist name will be added to the Technologist list Touch to highlight the technologist name desired from the Technologist List and then touch lt Enter gt The system returns to the Calibration Wipe Test Counter screen with the new technologist selected 6 Touch lt Print gt to print out a copy of the current calibration if desired 7 Touch lt Save Continue gt to record and save the daily calibration The display returns to the Wipe Counter QA screen Biodex Medical Systems Inc 2014 6 3 View Calibration Constancy Data See Figures 6 3 and 6 4 Stored Chi Square Report Biodex Model 086 332 Serial 06080014 Detector Serial 2007002 02 05 2009 10 02 AM Measure Date Chi Square Test Results Chi Square Table Value 6 56 Status PASS Sample Counts Probability Value 16047 0 99 2 09 16260 0 95 3 33 16260 0 90 4 17 Lower Limit 16243 0 50 8 34 16435 0 10 14 68 Upper Limit 16270 0 05 16 92 16114 0 01 21 67 16250 16354 16285 oo xoowoLtomA Technologist karen Jefferson Approved By Figure 6 3 The Wipe Constancy Data screen 6 4 WIPE CO
30. Unit Carton In addition to the Display Unit itself this carton contains the Atomlab s Operation Manual and all the necessary connection and power wires needed to run system The Detector Unit Carton CAUTION The carton labeled DETECTOR UNIT is very heavy 28 pounds Severe damage to the unit may result if this carton is dropped Remove the detector from the carton and carefully place it on the table or counter where you will set up and use your Atomlab unit Make certain the tabletop will support a minimum of 300 pounds We suggest that you place the carton on its side so that you can slide the Detector Unit out of the carton onto its base pareil peut subir s rieux dommages s ii est chapp Retirez le d tecteur de son car ton et utiliserez le avec prudence sur la table ou le computoir o vous installerez et utiliserez l unit Atomlab Assurezvous que la table supportera un minimum de 300 livres Nous sugg rons que vous placiez le carton sur son c t afin que vous puissiez faire glisser L UNIT DE DETECTION du carton sa base Dans la chambre du calibra teur vous devriez trouver un manchon protecteur 1 ATTENTION Le carton tiquet UNIT DE D TECTION est tr s lourd 28 livres Cet Save the Packing Material E Do not discard the packing materials cartons or shipping boxes gt This material was designed especially for the safe shipment of your Atomlab Wipe Test Counter You will need them to return any of
31. V and on dose calibrator chambers Argon grams detector pressure kPa and detector temperature C degrees are also noted 8 6 SYSTEM MAINTENANCE ATOMLAB WIPE TEST COUNTER To view the Detector Status screen from the System Maintenance screen touch lt Detector Status gt If a printed Detector Status report is required touch lt Print gt to print the Detector Status screen Touch lt Home gt to return to the system Home Page or lt Back gt to return to the System Mainte nance screen NOTE Wipe Counter will list only firmware version and high voltage information Detector Management See Figure 8 8 Detector Management Detector Detector Number Type Serial Number Location 1 Idz14 Wipe Counter 9020011 bench 2 Figure 8 8 The Detector Management screen Remove from Change Id Selection List Detector Management allows the user to remove detectors from the Selections List and change detector ID numbers To Access The Detector Management Screen 1 On the System Maintenance screen touch Detector Management 2 Enter your password and touch Enter The Detector Management screen is displayed with detector I D numbers detector types serial numbers and detector locations The Remove From Selection List button toggles with an Add to Selections List button on the Detector Management screen To Remove a Detector 1 Touch to highlight the detector to remove 2 Touch Remove From Sele
32. Window 616 DPM Co 57 47 DPM a Technologist Cs 137 328 DPM F 18 168 DPM Save Continue Figure 6 7 The Background Wipe Test Counter screen Biodex Medical Systems Inc 2014 6 9 Like daily calibration background measurement must be taken a daily basis once every 24 hours following a High Voltage set or any time the system has been turned OFF If you have not performed a background check within these parameters the system will prompt you to do so before allowing a wipe test to proceed To perform a background measurement at any other time access Background from the Wipe Test Counter Quality Assurance screen as follows To Perform A Background Measurement 1 Ensure the area is clear of background contamination the detector is free of radioactive sources NOTE To perform a background at any time at the Wipe Test Counter QA screen select lt Background gt to advance to the Background Wipe Test Counter screen At the Background Wipe Test Counter screen touch lt Start gt The system begins a minimum 30 second background measurement When complete the display will note that Background is completed and OK NOTE The user sets the desired background measurement time on the Utilities Wipe Counter Configuration Preferences screen If you need to enter or change the technologist touch lt Technologist gt The Technologist List will be displayed To enter a new technologist
33. ali 92659 12 92019 13 91383 14 90752 15 90125 16 89503 17 88884 18 88270 19 87661 20 87055 21 86454 22 85857 23 85263 24 84675 25 84090 26 83509 27 82932 28 82359 29 81790 30 81225 31 80664 32 80107 33 79554 34 79004 35 78458 36 77916 37 77378 38 76844 39 76313 40 75786 41 75262 42 74742 43 74226 44 73713 45 73204 46 72699 47 72196 48 71698 49 71203 Biodex Medical Systems Inc 2014 001 99931 99240 98555 97874 97198 96527 95860 95198 94540 93887 93239 92595 91955 91320 90689 90063 89440 88823 88209 87600 86995 86394 85797 85204 84616 84031 83451 82874 82302 81734 81169 80608 80051 79499 78949 78404 77862 77325 76791 76260 75733 75210 74691 74175 73662 73154 72648 72146 71648 71153 002 99861 99172 98487 97806 97131 96460 95794 95132 94475 93822 93174 92530 91891 91257 90626 90000 89379 88761 88148 87539 86934 86334 85738 85145 84557 83973 83393 82817 82245 81677 81113 80552 79996 79443 78895 78350 77809 77271 76737 76207 75681 75158 74639 74123 73611 73103 72598 72096 71598 71104 003 99792 99103 98418 97739 97063 96393 95727 95066 94409 93757 93109 92477 91828 91193 90563 89938 89317 88700 88087
34. an error There are not many modal screens but exam ples are the QWERTY keyboard screen the numeric keypad screen Select Sealed Source Select Detector Set Date Time etc Captures the screen to the local Hard Disk 0 or to a USB Flash Drive 1 This operation takes a snap shot of the current display screen and captures it to a BMP file It may take a few seconds to complete If no parameter is given it defaults to 0 local Hard Disk Sets or displays the current country setting used for formatting dates and times and configuring the keyboard screen Currently translations of the screens is not available The choices are US Can Fra Ger Ita Jpn Spa UK For a Dose Calibrator Only Detector Debug Logging On 1 Off 0 Default to Off When On every time a reading is reported from a detector it s raw current value is reported out the serial port streaming mode This continues until it s turned off If there is more than 1 detector connected the detector number is appended on the end of each report ATOMLAB WIPE TEST COUNTER DCNT DMPSCR DS 1 0 DSMODE DSTAT DT ECHO 1 0 HELP Display the number of active connected detectors Dumps the content of the screen in a binary format out to the serial port For a Dose Calibrator Only Turns Data Streaming Mode On 1 Off 0 no parameter is given the current Data Streaming Mode is displayed When On every time a reading is repor
35. comfort and the ambient radiation level is low and constant Environmental Shipping and Stowage Conditions Temperature 0 to 40 C Humidity 0 to 90 rh non condensing For optimum performance the Atomlab 500 should be operated in a normal laboratory environ ment where the temperature and humidity are maintained for normal human comfort and the ambient radiation level is low and constant Power Requirements Choose a power source with a socket which mates securely with the power plug provided Verify that the power line is properly grounded Do not choose an outlet that has a wall switch control N WARNING Before inserting or removing connectors turn the display power OFF AVERTISSEMENT Avant le fait d ins rer ou le fait d enlever des connecteurs teignez le pouvoir d talage This system uses XP Power Supply for Medical use model PDM60US15 or the alternate ICC Genesis model MWA065015A 11A modified Line Voltage 100 to 240 VAC auto selectable by the power supply 1 5 0 75 amps Line Frequency 50 60 Hz 2 2 INSTALLATION ATOMLAB WIPE TEST COUNTER Cable Connections See Figures 2 1 and 2 2 Connecting the Atomlab Wipe Test Counter cables is a simple process One end of each cable matches only to the appropriate jack on the back of the display Power USE ONLY WITH XP POWER POWER SUPPLY PART NUMBER PDM60US15 Wipe Chamber DC VOLTAGE CURRENT 15 VDC 48 Optional USB P
36. entries are set touch Enter to return to the Wipe Constancy Setup screen Wipe Constancy Data Biodex Model 086 332 Serial 1008002p Detector Serial 9020011 Printed 02 02 2012 12 07 PM Print Range Source Cs 137 10 424 33 Activity 10 0 uCi Date April 15 1993 Date Detector SN Counts CPM FWHM Peak Bin Time secs Var 10 Technologist 01 10 12 2 38 PM 8070005 197192 592308 0 5 8 0 5 css 01 10 12 2 31 PM 8070005 198105 595035 0 5 84 8 css 12 27 11 6 44 AM 2007002 208152 625332 0 7 7 2 55 12 26 11 7 34 2007002 207815 624177 0 7 7 5 css 12 15 11 7 39 AM 2007002 204754 615072 0 7 8 1 5 tom jones 12 13 11 6 02 AM 2007002 207846 624315 0 7 7 5 1 55 12 11 11 6 11PM 2007002 219041 6579030 7 8 3 css 12 11 41 5 57 PM 2007002 206070 619035 0 77 9 3 css 12 08 11 9 10 AM 2007002 227216 682479 0 7 7 2 55 12 04 11 4 13 AM 2007002 210013 6309090 7 7 6 css 12 01 11 7 04PM 2007002 198918 5974950 7 7 3 7 css 12 01 11 6 59 PM 2007002 206549 620436 0 5 8 8 css 12 01 41 10 28 AM 2007002 198926 597558 0 7 7 1 css 11 30 11 10 26 AM 2007002 198771 597105 0 77 7 css 11 29 11 10 15 AM 2007002 208495 626271 0 7 7 4 css 11 15 11 10 05 AM 2007002 207608 6236790 7 7 css 11 12 11 10 03 AM 2007002 207896 624483 0 7 7 css 11 10 11 10 01 AM 2007002 208112 625101 0 77 css Source Cs 137 10 Activity Date 11 07 11 9 56 AM 2007002 208719 626916 0 7 7 2 css 11 07 11 9 55 AM 2007002
37. gt to return to the Background Data screen 6 Background data can be printed in a Summary Report or Detail Report format At the Back ground Data screen select lt Options gt then select lt Summary Report gt for a summary report of background measurements giving the results for each available isotope 7 Select lt Detail Report gt for a detailed report of background measurements 8 Select lt Print gt at any time to print the Background Data screen Summary Report or Detail Report Biodex Medical Systems Inc 2014 6 13 Background Detail Report Biodex Model 086 331 Serial 08070015 Detector Serial 8070003 Printed 01 28 2009 14 31 Print Range Date secs Status Counts Cnts 800keV 01 28 09 14 18 60 495 137 Wide Window Co 57 60 Cr 51 Ga 67 Tc 99m 01 28 09 14 11 60 01 20 09 14 33 60 Figure 6 11 printed Background Detail Report 6 14 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER View Stored Wipe Data See Figure 6 12 6 14 Stored Wipe Data Wipe Counter bench Biodex Model 086 332 Serial 1008002p Detector Serial 9020011 Date Location Status Net CPM Net Activity 02 02 12 12 45 PM camera rm 1 PASS 54 0 152 DPM 02 02 12 12 45 PM camera rm 1 PASS 60 0 169 DPM 02 02 12 12 42 PM camera rm 1 PASS 1 650 0 4 682 DPM 01 10 12 2 46 PM hot lab FAIL 8 616 0 24 449 DPM 01 10 12 2 44 PM hot lab PASS 72 0 204 DPM 04 09 42 2 37 hot lab
38. or edit custom isotopes and their settings To Setup The Isotope Settings 1 2 At the Isotope Settings screen highlight the desired isotope If necessary use the lt A gt lt W gt icons to scroll through the isotope list With the desired isotope highlighted select lt Enter gt The Isotope Settings screen is now displayed This screen displays the following isotope information System Defined Parameters cannot be changed by the user Isotope name and if the isotope is factory or custom defined Half life in minutes hours or years ROI upper and lower levels for factory defined isotopes Package Regulatory Level in DPM Biodex Medical Systems Inc O 2014 4 5 Select Isotope Alphabetic Isotopes Isotope ROI keV Half Life Efficiency Se 75 102 461 119 8 days 0 00 5 85 437 591 64 84 days 82 30 Tc 99m 119 162 6 007 hrs 81 66 201 50 200 3 046 days 0 00 201 50 100 3 046 days 52 30 Yb 169 41 228 32 days 0 00 Choose an Isotope On The List By Touching It s Name Cancel Figure 4 6 The Select Isotope screen Isotope Settings Isotope Tc 99m factory defined Half Life 6 007 hrs ROI Lower Level 119 keV ROI Upper Level 162 keV Regulatory Levels for Wipe Areas in DPM Restricted 20000 Unrestricted 2000 Package Regulatory Level 6600 Available for Wipes YES Isotope Efficiency 81 66 Detector Efficiency c Cancel Print Enter Figure 4 7 T
39. quality assurance program as required by your regulations See Chapter 6 Wipe Test Counter Quality Assurance 2 6 INSTALLATION ATOMLAB WIPE TEST COUNTER 3 Getting Started Basic Key Functions Easy to read and intuitive to use the Atomlab Wipe Test Counter touch screen display prompts users to advance effortlessly and logically though the Utilities Wipe Test Counter and Wipe Test Counter Quality Assurance programs The following basic prompts appear throughout the pro gram and unless otherwise noted always perform the following functions Home returns the system to the Home screen lt gt advances one field or screen lt q gt or Back returns to the previous screen A scrolls up through the current list On some screens holding on this button increases scroll speed W scrolls down through the current list On some screens holding on this button decreases scroll speed Clear erases all user entries to fields on the current screen Cancel or X cancels any entry and or returns the user to the previous screen Enter or Yes confirms any entry and or advances to the next screen Print Prints the currently displayed screen or report Shift Toggles keypad entry between upper and lower case BS moves the cursor one space back deleting the previous keystroke on any keypad Measure Bkgrnd begins a minimum 30 second background measurement NOTE To
40. required for the test The Atomlab Wipe Test Counter allows the user to print their test results NOTE The user can setup the system so the Daily Calibration is also Constancy You must use the same source in the same Geometry every time the Constancy is performed 1 2 INTRODUCTION ATOMLAB WIPE TEST COUNTER 2 Installation Operating Requirements Prior to installing your Atomlab Wipe Test Counter plan a layout for your unit that will ensure it is convenient for measuring radionuclide wipes and will not be subject to radiation exposure due to proximity of high activity sources NOTE Be sure to always place your wipe sample into a test tube before placing it into the detector This will prevent contamination Work Surface Choose a table or other counter which is free of vibration does not wobble and will easily sup port 300 pounds Suggested dimensions of the table top are 30 in deep 48 in wide 36 in high Physical Location and Environment Frequently Atomlab Wipe Test Counters are located in areas called hot labs in which there is a wet sink with plumbing Do not locate your Wipe Test Counter on a table or other counter which can become wet or is subject to splashing or spraying Avoid areas which have drafts caused by heating or air conditioners or are in direct sunlight Electronics work best when constant temperature is maintained The temperature range 15 from 10 to 30 and the relative humidity range f
41. select or highlight any option simply touch the desired field on the display The field or option will now be highlighted NOTE When a well detector 075 594 is added to the Atomlab 500 the display automatically recognizes the additional detector and shows the Home screen for both the dose calibrator and wipe test counter Password Protection There are several program setups that require the use of a password for access to make changes The default password is 123 followed by Enter If you need to change the password contact Biodex Customer Service at 800 224 6339 Biodex Medical Systems Inc O 2014 3 1 Before Wipe Testing Before performing any wipe testing you should perform a High Voltage H V adjustment after installation The system requires a new H V adjustment every 30 days See Chapter 6 for infor mation on performing a high voltage adjustment You ll also need to complete a daily calibration and background measurement before perform ing a wipe test to ensure proper operation and accurate readings If these operations have not yet been performed or have not been performed within the past 24 hours the system will auto matically prompt for their completion Both the calibration and background procedure are ex plained in Chapter 6 Wipe Test Counter Quality Assurance Before performing your first wipe test using the Atomlab Wipe Test Counter you ll need to enter some basic information including setting up
42. the Atomlab components in the future for updates calibration or repair Biodex Medical Systems Inc 2014 XI Wipe Test Counter Warranty 1 Instrumentation A This equipment and its accessories warranted by BIODEX MEDICAL SYSTEMS against defects in materials and workmanship for a period of two years from the date of shipment from BIODEX MEDICAL SYSTEMS INC During the warranty period BIODEX MEDICAL SYSTEMS INC will in its sole discretion repair recalibrate or replace the equipment found to have such defect at no charge to the customer EXCEPT AS STATED ABOVE THERE WARRANTIES EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION WARRANTIES OR MERCHANTABILITY OR FITNESS FOR USE BIODEX DOES NOT ASSUME LIABILITY FOR INCIDENTAL CONSEQUENTIAL OR INDIRECT DAMAGES INCLUDING LOSS OF USE SALES PROFITS OR BUSINESS INTERRUPTION This warranty does not apply if the product as determined by BIODEX MEDICAL SYSTEMS is defective due to abuse misuse modification or service performed by other than a BIODEX MEDICAL SYSTEMS INC authorized repair and calibration facility Misuse and abuse include but are not limited to subjecting limits and allowing the equipment to become contaminated by radioactive materials In order to obtain warranty repair service the equipment must be returned freight pre paid to one of our facilities The Return Material Authorization R M A should be in
43. the counter top or be mounted on the wall Use the holes in the base to mount to the wall Biodex Medical Systems Inc 2014 2 3 Figure 2 2 The Atomlab Wipe Test Counter connected to well counter and printer 2 4 INSTALLATION ATOMLAB WIPE TEST COUNTER Power System Test See Figures 2 3 and 2 4 EST 11 08 2010 System Test A Detector Has Been Identified BIOS POST Results PASS Detector s 1 Id 14 SN 1011159 Wipe PASS reported problems Detector s Are Ready Touch Home to Begin Figure 2 3 The Atomlab Wipe Test Counter System Test results Once the system cables are fully connected plug the power supply into a wall socket Toggle the Power Switch located on back of the display to the ON 1 position The green power LED on the display will light and the system automatically performs a system test as part of the power up process The system test includes the following checks Display BIOS Post Results Detectors Communication with all detectors 1 0 number and serial number Detector status During the power up system test a screen is displayed showing the components and detector status If all items pass Pass is displayed next to each item at the completion of the test Should any aspect of the self test fail Fail is displayed along with an accompanying error code and optional description of the problem Once the system check is completed touch Pri
44. your password The Data Management screen should now be displayed 2 Touch lt QA Data Management gt The Summary View of Stored QA Data screen is now displayed with results for all tests on all detectors listed or results for a specific detector if selected 3 Make sure a thumb drive containing data is plugged into one of the USB ports on the back of the display 4 Touch lt Import gt The QA Data Import screen is now displayed with the drive from which to import data noted at the top of the screen 5 Use the up and down arrows to scroll to the data you wish to import Touch the data name to highlight and advance to the Okay to Proceed screen 6 Touch lt Yes gt to import the data selected The system shows an export screen while the data is transferred Once the data transfer is complete the Import Completed Successfully screen is displayed Touch lt No gt to return to the QA Data Management screen without importing data 7 At the Import Successfully Completed screen touch lt OK gt to return to the Summary View of Stored QA Data screen Biodex Medical Systems Inc 2014 8 3 Data Import USB Flash Drive Folder Name Record Count File Date Time AtomlabData 21 01 24 2012 14 40 Figure 8 4 The OA Data Import screen QA Data Import USB Flash Drive Folder Name AtomlabData In BioData Count of Records 21 Dated 01 24 2012 14 40 Will Be Imported And Merged With Existing QA Data Ok To Proceed
45. 000 DPM 2 000 DPM 20 000 DPM 20 000 DPM Wide Window 34 47 908 DPM 12 4 0 25 800 keV 20 000 Status PASS PASS PASS PASS 5 10 PERFORMING A WIPE TEST ATOMLAB WIPE TEST COUNTER 6 Wipe Counter Quality Assurance Wipe Counter QA Wipe Counter bench Biodex Model 086 332 Serial 1008002p Detector Serial 9020011 Calibration Constancy View Calib Constancy Data Last Done Jan 10 2012 2 38 PM High Voltage Adjustment View HV Adjustment Data Last Done December 10 2011 Background View Background Data Last Done Jan 18 2012 9 45 View Stored Wipe Data lt gt MDA and 5 Figure 6 1 The Wipe Counter Quality Assurance screen The Wipe Test Counter Quality Assurance programs allow the user to perform and record a vari ety of system tests to assure the integrity of the readings and calculations To access the Wipe Test Counter Quality Assurance functions at the Home screen select lt Wipe Counter Quality Assurance gt The Wipe Test Counter QA screen should now be displayed From this screen you can select Calibration Constancy View Calibration Constancy High Voltage Adjustment View High Voltage Adjustment Data Background View Background Data View Stored Wipe Data MDA and Chi Square Biodex Medical Systems Inc O 2014 6 1 Calibration Constancy See Figure 6 2 Constancy Wipe Counter Full Spectrum Counts Totaicpm
46. 00938 System 106 9dpm Example b TI 201 MDA 2 71 166667 3 29 46 5 46 166667 505 x 9682 x 1 MDA 16 26 3 29 92 276 488941 MDA 16 26 63 113 162 33685 488941 System 162 3dpm 6 26 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER 7 System Configuration System Configuration See Figure 7 1 13 03 30 EST 12 30 2011 System Configuration Printer Settings Technologist List Activity Units Curies Time Format 24 Hr Screen Saver mins 10 lt gt gt Figure 7 1 System Configuration Menu The System Configuration options allow the user to enter or customize various system wide pa rameters Any changes made to the configuration settings are permanently saved when exiting the Configuration screen Touch lt System Configuration gt on the Utilities Menu to access the System Configuration screen Biodex Medical Systems Inc 2014 7 1 Detector Locations See Figure 7 2 Detector Locations Detector Type Location 1 Wipe Counter bench Figure 7 2 The Detector Locations screen The Atomlab Wipe Test Counter display automatically senses every detector connected and can tell what type it is Detectors are listed numerically with detector 1 being the lowest ID number lt Detector Locations gt allows the user to specifically label the location of any connected detector To Label A Detector 1 To
47. 0515 70466 70417 70368 70320 70271 51 70222 70174 70125 70076 70028 69979 69931 69882 69834 69786 52 69737 69689 69641 69592 69544 69496 69448 69400 69352 69304 53 69255 69208 69160 69112 69064 69016 68968 68920 68873 68825 54 68777 68729 68682 68634 68587 68539 68492 68444 68397 68349 55 68302 68255 68207 68160 68113 68066 68019 67971 67924 67877 56 67830 67783 67736 67689 67642 67596 67549 67502 67455 67408 57 67362 67315 67268 67222 67175 67129 67082 67036 66989 66943 58 66896 66850 66804 66757 66711 66665 66619 66573 66526 66480 59 66434 66388 66342 66296 66250 66204 66159 66113 66067 66021 60 65975 65930 65884 65838 65793 65747 65702 65656 65611 65565 61 65520 65474 65429 65384 65338 65293 65248 65203 65157 65112 62 65067 65022 64977 64932 64887 64842 64797 64752 64707 64662 63 64618 64573 64528 64483 64439 64394 64349 64305 64260 64216 64 64171 64127 64082 64038 63994 63949 63905 63861 63816 63772 65 63728 63684 63640 63596 63552 63508 63464 63420 63376 63332 66 63288 63244 63200 63156 63113 63069 63025 62982 62938 62894 67 62851 62807 62764 62720 62677 62633 62590 62546 62503 62460 68 62417 62373 62330 62287 62244 62201 62157 62114 62071 62028 69 61985 61942 61900 61857 61814 61771 61728 61685 61643 61600 70 61557 61515 61472 61429 613
48. 08070015 Detector Serial 8070003 Total Stored Records 14 Option From To 02 01 2009 02 28 2009 Printed Report Format Summary Report Detail Report Total Records Selected 10 Figure 6 9 The Background Options Screen for Viewing and Printing Biodex Medical Systems Inc 2014 6 11 The View Background function allows users to view all background measurements performed It displays the wide window results showing time date status counts over 800 keV total CPM counting time seconds and technologist along with the Biodex Wipe Test Counter model num ber display serial number and detector serial number Users can choose to view the entire list of background measurements or select specific dates to review If the user presses lt Options gt the Stored Wipe Data Options Wipe Counter screen is displayed The lt Option gt button allows the user to display the following data selections Today Prior to From To and From The printed format can also be printed in a lt Summary Report gt or lt De tail Report gt for the wipe range specified If desired background lt View Data gt can be displayed Unwanted background measurements can also be deleted If a closer examination of background data is required or you desire to view the specific isotope detail highlight the wipe you wish to view and then select lt View Data gt You can then return to the wipe detail by selecting lt Print gt 03 10
49. 09 08 51 Measure Date Background View Details Wipe Counter BIODEX office Biodex Model 086 331 Serial 08070015 Detector Serial 8070003 Status Ok Full Spectrum Counts 383 Background Activity Total CPM 383 0 Wide Window 255 0 740 DPM Test Time secs 60 Tc 99wide 41 0 CPM 51 DPM Ba 133 56 0 CPM 455 DPM a Co 57 55 0 CPM 56 DPM Cnts 800 kev 128 Co 60 128 0 CPM 251 DPM Cr 51 35 0 CPM 821 DPM 2 Cs 137 46 0 CPM 376 DPM Technologist Ga 67 165 0 324 DPM John Smith o OOo Back Delete Earlier Later Print Figure 6 10 The Background View Details screen To View Background Measurements 1 At the Wipe Test Counter QA screen select View Background Data The Background Data screen is now displayed with a listing of the background measurements performed Use the lt A gt or VW icons to scroll though the list if you desire to see entries from earlier or later dates Use Options for the date range to be displayed The data shown is the wide window results 6 12 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER Delete Background Measurement 1 At the Background Data screen highlight the date to delete and then select lt Delete gt 2 Select lt OK gt to delete the entry and return to the Background Data screen To Change Viewing Options If desired the Background list can be altered to show all background measurements today s background measurements b
50. 106571 8 368 8 136013 44 106822 106571 8 250 2 62600 04 106485 106571 8 86 8 7534 24 gt 1012199 60 n x X Ni Ny pes 101819960 9 4978184 9 50 106571 8 6 22 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER Stored Chi Square Report Biodex Model 086 332 Serial 06080014 Detector Serial 2007002 02 05 2009 10 02 AM Measure Date Chi Square Test Results Chi Square Table Value 6 56 Status PASS Sample Counts Probability 16047 0 99 16260 0 95 16260 0 90 Lower Limit 16243 0 50 16435 0 10 Upper Limit 16270 0 05 16114 0 01 16250 16354 16285 D 1 un B UN Technologist karen Jefferson Approved By Figure 6 18 printed Stored Chi Square Report Biodex Medical Systems Inc 2014 6 23 Minimum Detectable Activity See Figure 6 19 MDA Verification Wipe Counter Biodex Model 086 331 Serial 08070015 Detector Serial 8070003 Last Done Mar 10 2009 09 52 Wipe Count Time 30 secs Geometric Efficiency 94 70 Background Time 60 secs Background From Mar 10 2009 08 51 Isotope Bkgnd MDA ROI keV Efficiency Wide Wdw 255 0 86 3 DPM 25 800 36 40 Tc 99wide 41 0 16 5 100 180 85 00 133 56 0 122 7 305 515 13 01 57 55 0 15 2 DPM 85 158 104 12 60 128 0 42 6 997 1533 53 80 Cr 51 35 0 CPM 291 9 DPM 272 368 4 50 Cs 137 46 0 CPM 113 7 561 761 12
51. 209555 6294660 7 7 52 css 11 04 11 10 54 AM 2007002 209377 628965 0 7 7 52 5 11 02 11 10 52 AM 2007002 208852 627390 0 7 7 52 css Approved By Figure 4 23 Wipe Constancy Data printed report Biodex Medical Systems Inc 2014 4 25 5 Performing Wipe Test The wipe test is used to determine the removable contamination level of wipes taken in the des ignated areas of a department total of 50 wipe locations may be identified and counted When wipe counting is completed a report of the wipe test results can be printed out with each test identified by the location and wipe results Prior to performing a wipe test using the Atomlab Wipe Test Counter you ll need to configure your wipe test system as explained in Chapter 4 Wipe Test Counter Configuration Setup and perform a daily calibration and background measurement to ensure proper operation and accu rate readings If these operations have not yet been performed or have not been performed in the past 24 hours the system will automatically prompt for their completion To begin the wipe test procedure select lt Wipe Counter gt from the Home screen If you have not already performed a daily calibration and background measurement the system will prompt you to calibrate before proceeding Biodex Medical Systems Inc 2014 5 1 Daily Calibration Constancy See Figures 5 1 5 3 Calibration Constancy Has Expired A New Calibration Constancy
52. 40 53403 53366 53329 53292 53255 91 53218 53182 53145 53108 53071 53034 52998 52961 52924 52888 92 52851 52814 52778 52741 52705 52668 52632 52595 52559 52522 93 52486 52449 52413 52377 52340 52304 52268 52232 52196 52159 94 52123 52087 52051 52015 51979 51943 51907 51871 51835 51799 95 51763 51727 51692 51656 51620 51584 51548 51513 51477 51441 96 51406 51370 51334 51299 51263 51228 51192 51157 51121 51086 97 51051 51015 50980 50945 50909 50874 50839 50803 50768 50733 98 50698 50663 50628 50593 50558 50523 50488 50453 50418 50383 99 50348 50313 50278 50243 50208 50174 50139 50104 50069 50035 1 0 50000 D 6 APPENDIX D ATOMLAB WIPE TEST COUNTER Explanation of Decay Calculation Methods Calculator Method The radioactivity of an isotope can be calculated as it decays using the following expression Ap Aj final activity at the end of the decay time initial activity measured at some starting time t net decay time in units inverse to A and lamda decay constant specific to the radioisotope In 2 Tij 0 693 where half life specific to the radioisotope So using a calculator with the e function decay calculations can easily be performed as shown in the first section of this appendix Decay Factor Method If you do not have a calculator with the e function the abo
53. 87 61344 61302 61259 61217 61174 71 61132 61090 61047 61005 60963 60921 60878 60836 60794 60752 72 60710 60668 60626 60584 60542 60500 60458 60416 60374 60332 73 60290 60249 60207 60165 60123 60082 60040 59999 59957 59915 74 59874 59832 59791 59750 59708 59667 59625 59584 59543 59502 75 59460 59419 59378 59337 59296 59255 59214 59173 59132 59091 76 59050 59009 58968 58927 58886 58845 58805 58764 58723 58682 77 58642 58601 58561 58520 58479 58439 58398 58358 58317 58277 78 58237 58196 58156 58116 58075 58035 57995 57955 57915 57875 79 57834 57794 57754 57714 57674 57634 57594 57554 57515 57475 80 57435 57395 57355 57316 57276 57236 57197 57157 57117 57078 81 57038 56999 56959 56920 56880 56841 56801 56762 56723 56683 82 56644 56605 56566 56527 56487 56448 56409 56370 56331 56292 83 56253 56214 56175 56136 56097 56058 56019 55981 55942 55903 84 55864 55826 55787 55748 55710 55671 55632 55594 55555 55517 85 55478 55440 55402 55363 55325 55287 55248 55210 55172 55133 86 55095 55057 55019 54981 54943 54905 54867 54829 54791 54753 87 54715 54677 54639 54601 54563 54525 54488 54450 54412 54374 88 54337 54299 54261 54224 54186 54149 54111 54074 53036 53999 89 53961 53924 53887 53849 53812 53775 53737 53700 53663 53626 90 53589 53552 53514 53477 534
54. 92 67 165 0 47 8 53 424 53 80 1 123 21 0 8 1 134 183 133 50 1 125 24 0 37 6 25 80 30 10 Calculate 5 Save Data Figure 6 19 The MDA Verification screen To determine Minimal Detectable Activity MDA Verification the system calculates based on background the smallest activity that can be detected for the specific nuclide or region of inter est MDA should be performed whenever the background or high voltage activity changes i e the unit is moved to a new location or a new source of radiation is located nearby To Perform MDA Verification 1 Ensure the area is clear of background contamination and the detector is free of radioactive sources 2 At the Wipe Test Counter QA screen select lt MDA and Chi Square gt The Wipe Test Counter QA screen is displayed 3 Select lt MDA Verification gt to advance to the MDA Verification screen 4 Select lt Calculate MDA s gt The system automatically calculates the MDA value based on background for each isotope listed with an efficiency The system will display the isotope Background MDA ROI keV and Efficiency along with the wipe and background times The Background From date is also displayed 5 If desired use the lt A gt or lt W gt icons scroll up or down the MDA list to show additional isotopes 6 To save the newly calculated MDA s select lt Save Data gt The results are saved and the sys te
55. ATOMLAB WIPE TEST COUNTER OPERATION AND SERVICE MANUAL 086 331 Ltoatiour camera wi TTD o RER Fal a com Me Vrwperzeen 14800 2 A BIODEX Biodex Medical Systems Inc 20 Ramsey Road Shirley New York 11967 4704 Tel 800 224 6339 Int l 631 924 9000 Fax 631 924 9241 Email info biodex com www biodex com FN 10 231 Rev E 9 15 Atomlab Wipe Test Counter E TOUCH SOREEN TO RESTORE DISPLAY jj This manual contains operating procedures for the following Biodex product 086 331 Atomlab Wipe Test Counter Il ATOMLAB WIPE TEST COUNTER Table of Contents Page D finition of Symbol dote ceed V rep Pea o ne TR 3C RR EE POUR ER HE ET CRINE ere anne et an a tete De VI VII Product Certifications and Classifications 2 Important Safety Information ecce raconte pe ti tec ere e ga Rx HERR d IX Unpacking Instructions ete iure eie behets oto ee de E Ree o gore feno etin XI s Walratity Ee rad dus feu dee aestu XII T INTRODUCTION Vc Dec rt dta die cave usn aea neuer ta rennes 1 1 Introduction e 1 1 2 INSTALLATION C HN
56. C above A Carriage Return 0xOD is not required Biodex Medical Systems Inc O 2014 E 1 BAUD BKGND CAPSCR 0 1 COUNTRY DBGLOG 1 0 E 2 APPENDIX Sets the baud rate of this serial port where 1 19 2k baud 2 38k baud 3 56k baud and 4 115 baud Issues a beep tone on the display for milliseconds not specified it defaults to 100 Longest beep sounded can be for 10 seconds where 1 7 Detector For a Dose Calibrator Only This command will do a Zero Background on the specified detector number If no parameter is given it will use Detector 1 If the command cannot be per formed one of the following errors will be returned ERROR Cannot Display Zero Background a modal screen is being viewed blocking the view of Zero Background ERROR Invalid Detector Number the detector specified cannot be found or is not available If the command succeeds it may be done instantly taking effect on the very next activity reading or may take up to 100 readings If the Zero Background does not happen instantly each reading from that detector will be preceded by Calculating background Followed by CR LF When this command is received the Zero Background screen will be dis played for that detector However if there is a modal style screen displayed our GUI package will not allow another screen to pop up over it so in this case we will return
57. Efficiency screen allows the user to manually enter geometric efficiency values or simply select the factory defaults Setting Geometric Efficiency 1 At the Detector Efficiency screen touch lt Geometric Efficiencies gt The Set Geometric Efficiency screen is displayed 2 The inside diameter of the detector is preset for the Atomlab Wipe Test Counter at 1 905 cm 3 The location of the center of the wipe is set by selecting lt Depth in well to center of wipe gt When the keypad is displayed enter the depth to the center of the wipe from the top of the crystal The depth is preset at 2 54 cm from the top of the crystal NOTE The crystal depth is 1 44 3 07 cm 4 Touch lt Enter gt to set the geometric efficiency and return to the Detector Efficiency screen 5 If desired use Factory Defaults gt to reset the inside diameter and depth in well to center of wipe to the factory defaults 4 10 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER Using The Factory Installed Detector Efficiencies See Figure 4 9 1 At the Isotope Settings screen touch lt Detector Efficiency gt The Detector Efficiency screen is now displayed 2 Touch lt 5 Efficiency The Set Edit Efficiency screen is now displayed Touch Factory Defaults The factory default for the selected isotope is now displayed NOTE The factory default is an analytically determined number or a previously determined value from users Not all iso
58. FAIL 6 942 0 19 699 DPM 12 26 41 9 36 PM Co 57 s vial FAIL 39 000 0 0 0498 uCi 12 26 11 9 31 PM camera rm 1 FAIL 7 170 0 20 346 DPM o8Q0000 o Back Options View Wipe Delete Earlier Later Print Figure 6 12 The Stored Wipe Data Summary screen The View Stored Wipe Data function allows the user to view data for any wipe test stored in the system It displays the date location status net CPM net activity along with the Biodex Wipe Test Counter model number display serial number and detector serial number Users can choose to view the entire list of wipe tests or select specific dates to review If desired View Wipe Details can be displayed Unwanted wipe tests can also be deleted To View All Wipe Tests 1 At the Wipe Test Counter QA screen select lt View Stored Wipe Data gt The Stored Wipe Data screen is now displayed with a listing of all wipes performed Use the lt A gt or lt W gt icons to scroll though the list if you desire to see entries from earlier or later dates that are not dis played To Delete Any Stored Wipe Test 1 At the Wipe Test Data screen highlight the wipe to delete and then select lt Delete gt 2 Select lt OK gt to delete the entry and return to the Wipe Test Data screen To Views A Specific Wipe s Detail 1 Highlight the specific wipe test and then select lt View Wipe gt The wipe detail information is now displayed Biodex Medical Systems Inc 2014 6 15 Stored Dat
59. Immediately re starts the Atomlab firmware program Changes a detector Id specified as from to Valid Id s are 2 4 6 8 10 12 and 14 Displays details on an inventory sample number no parameter is given the number of stored samples is displayed Sets the screen saver time in seconds It s in effect only until the next reboot then the configured screen saver takes effect If no parame ter is given it displays the current screen saver time in effect Deletes the specified sealed source number If no parameter is given a summary of the current defined sealed sources is displayed This is for more advanced detector status viewing This command will turn on an on screen display of detector status on the Count screen 1 5 On 0 Turn Off If no parameter is given a detailed state of the current connected detectors is displayed Displays the Atomlab display unit s firmware versionsn as follows UDM Vers 1 22 10 12 2010 Windows CE 6 0 Based System ATOMLAB WIPE TEST COUNTER Appendix F Conformance to Standards This equipment conforms to the following safety standards Standard Edition and or date IEC60601 1 2 First edition 2007 Table 1 1 Safety standards Accompanying EMC Documents This medical electrical equipment needs special precautions regarding EMC and needs to be installed and put into service according to the EMC information provided in this manual Portable and mobile RF communications equ
60. Or Unavailable For Wipe 1 4 18 Add Custom Isotope eee dee Ree et RE T en en Nr Ron Eri eigo e MR DDR ete 4 19 REMOVE CUSTOM ISOTO PO 4 20 Edit CUSTOM ISOLO PG uss Ert edge sp Romy ESO ER HR sexe 4 21 Wip 5 trente vente bn 4 22 Wide Window Isotope 4 25 Preferences nn annee nant 4 27 5 re 4 30 5 PERFORMING 5 1 Daily Calibration Constancy 5 2 Background Measurement Re Re RE dei ci 5 5 Wipe Test c eh eoe er Radice rere ER ai RII NAR 5 7 Biodex Medical Systems Inc O 2014 6 WIPE TEST COUNTER QUALITY ASSURANCE mms 6 1 Calibration COnStancv 5 120Mre doe ERES Ede E exces 6 2 View Calibration Constancy Data 6 4 High Voltage Adjustment 2 nnns enhn nnne 6 7 View High Voltage Adjustment Data sisi 6 9 6 11 View Background 6 13 Stored Wipe Data idt 6 18 ZChE Squa
61. Six total 2 for power two for chassis ground two for serial data Connectors RJ 12 Well Counter Detector 2 x 2 Nal T1 integral line scintillation detector with a 0 75 diameter x 1 44 deep well 1 9 x 3 7cm Style Remote Detector Channels 64 MCA Integral to Well Counter Spectral Resolution FWHM 10 Count Rate Maximum 30 000 cps Connectors RJ 12 for power and signal Lead Shielding 0 5 1 2cm integral lead shield Optional Calibration Source 0 1 Cs 137 Rod Source Optional Lead Shield 0 5 1 2cm lead shield slides over integral shield for total of 1 0 of shielding includes cover Cover Fits optional lead shield has 0 25 6cm lead shielding Biodex Medical Systems Inc 2014 B 1 Environmental Operating Conditions Temperature 10 to 30 C Humidity 0 to 90 rh non condensing For optimum performance the Atomlab Wipe Test Counter should be operated in a normal lab oratory environment where the temperature and humidity are maintained for normal human comfort and the ambient radiation level is low and constant Environmental Shipping and Storage Conditions Temperature 0 to 40 C Humidity 0 to 90 rh non condensing For optimum performance the Atomlab Wipe Test Counter should be operated in a normal lab oratory environment where the temperature and humidity are maintained for normal human comfort and the ambient radiation level is low and constant Physical Data Display Unit Size
62. Square data screen Biodex Medical Systems Inc 2014 6 19 View Chi Square Data 1 At the Wipe Test Counter QA screen select lt View Chi Square Data gt The Chi Square Data screen is now displayed with a listing of Chi Square tests performed Use the lt A gt lt W gt icons to scroll though the list if you desire to see entries from earlier or later dates To Delete Any Chi Square Test At the Chi Square Data screen highlight the Chi Square to delete and then select lt Delete gt 2 Select lt OK gt to delete the entry and return to the Chi Square Data screen To Change Viewing Options If desired the Chi Square list can be altered to show all Chi Square tests today s tests tests prior to a specific date or tests from a selected date 1 At the Chi Square Data screen select lt Options gt to advance to the Chi Square Data Options screen 2 Select Option to toggle through the Chi Square viewing options To view Chi Square data or Today s Chi Square only toggle to the desired choice and select lt Enter gt The Square Data screen is now displayed with the appropriate Chi Square list 3 To view Chi Square Data prior to a selected date between selected dates or from a selected date use lt Option gt to toggle to the desired setting 4 Select the appropriate lt Date gt field and then enter the desired date or date range using the lt A gt or lt W gt icons S
63. Test Counter Configuration screen select lt Preferences gt The Preferences screen is now displayed 2 Select lt Background Count Time gt and then enter the appropriate time value via the keypad Select lt Enter gt to save the new value and return to the Preferences screen NOTE Minimum background count time is 30 seconds Maximum is 1200 seconds NOTE Minimum wipe count time is 5 seconds Maximum is 1200 seconds NOTE It is recommended to use a minimum of 30 seconds for lt Wipe Count Time gt Preferences Background Count Time 60 Seconds Wipe Count Time 10 Seconds Daily QA Test Method Report Wipe Activity Units In Report Wipe Sealed Source Units In of Significant Digits for uCi KBq 4 3 Cancel Factory Defaults Figure 4 21 The Select Daily QA Test Method screen Biodex Medical Systems Inc 2014 4 23 3 Select lt Wipe Count gt then enter the appropriate time value via the Select lt Enter gt to save the new value and return to the Preferences screen Select lt Daily QA Test Method gt Toggle between Calibration Only and Constancy w cal Select the value for Report Wipe Activity Units Toggle between DPM mCi Bq or Cnts Select the value for Report Wipe Sealed Souce Units Select DPM mCi Bq or Cnts Select of Significant Digits for mCi KBq Select from 2 to 5 digits uU A Once all preferences have been set select lt Ent
64. Test Counter uses one chan nel to accumulate any counts over 800 keV allowing the user to know if there is a contaminate with a high energy over 800 keV When performing a wipe test the unit counts and displays a full spectrum count of 0 to 800 keV From this full spectrum the Atomlab Wipe Test Counter displays the user set wide window and calculates the net counts in the wide window and the net dpm s in the wide window The Atomlab Wipe Test Counter allows the user the option of looking at just a wide window or the wide window plus the isotopes chosen for that location The user creates the list of loca tions that they want to wipe and this list is stored in memory in the display Each location can be customized to include results for specific isotopes and what type of wipe it is restricted area unrestricted sealed source or package When a wipe is counted only one count is required for determination of the results for the wide window and any isotopes associated with that location Each isotope has a window associated with it and the system looks at each isotope s window and calculates the results for the specific windows from the one wide window count If a wipe count is above the wide window trigger level the system notifies the operator that the trigger level has been exceeded The system also shows if any individual isotopes that have been made available for this particular location are over the trigger and what the readings are for
65. UNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER The View Calibration Constancy Data function allows users to set the viewing printing time frame options today prior to from to from or all calibrations performed It displays the calibra tion date time status counts FWHM peak bin time seconds and technologist along with the Biodex Wipe Test Counter model number display serial number and detector serial number Users can choose to view the entire list of calibrations or select specific dates to review Un wanted calibrations can also be deleted from the Calibration Constancy Data list To View Calibration Constancy Data 1 At the Wipe Test Counter QA screen select lt View Calibration Constancy Data gt The Wipe Constancy Data screen is now displayed with a listing of all calibrations performed in the se lected time frame option Use the A or lt gt icons to scroll though the list if you desire to see calibrations recorded on earlier or later dates To Delete Any Listed Calibration Constancy 1 At the View Calibration Constancy Data screen highlight the date to delete and then select lt Delete gt 2 Select lt OK gt to delete the entry and return to the Calibration Constancy Data screen The deleted calibration entry is deleted from the calibration constancy list To Change Viewing Options If desired the calibration constancy list can be altered to show all calibrations today s calibra tions
66. a Options Wipe Counter BIODEX office Biodex Model 086 331 Serial 08070015 Detector Serial 8070003 Total Stored Records 14 option From To 02 01 2009 02 28 2009 Printed Report Format Summary Report Detail Report Total Records Selected 10 c Cancel Figure 6 13 The Stored Wipe Data Options screen To Change Viewing Options If desired the Wipe Test list can be altered to show all wipes today s wipes wipes prior to a specific date wipes between selected dates or wipes from a selected date 1 At the Stored Wipe Data screen select Options to advance to the Stored Wipe Data Options screen 2 Select Option to toggle through the wipe data viewing options To view all wipes today s wipes wipes prior to a specific date wipes between selected dates or wipes from a selected date toggle to the desired choice and select Enter The Wipe Data screen is now displayed with the appropriate Wipes list 3 Select the appropriate Date field and then enter the desired date or date range using the A or V icons Select Enter after completing each field to record the new date 4 Stored Wipe Test data can be printed in a Summary Report or Detail Report format At the Stored Wipe Data screen touch Summary Report for a summary report of the wide window wipe data or touch Detail Report for a detailed report showing all wipes 5 Once the option date fields and report format are comp
67. ackground measurements prior to a specific date or background measurements from a selected date At the Background Data screen select lt Options gt to advance to the Background Data Options screen 2 Select lt Option gt to toggle through the background data viewing options To view back ground measurements Today s background measurements only background data prior to a selected date between selected dates or from a selected date toggle to the desired choice and select lt Enter gt The View Background Data screen is now displayed with the appropriate background list The total number of records selected is also displayed 3 Select the appropriate lt Date gt field and then enter the desired date or date range using the lt A gt or lt W gt icons Select lt Enter gt after completing each field to record the new date 4 Once the date fields are completed select lt Enter gt to return to the Background Data screen with background measurements for the selected date s now displayed 5 more detailed view of any background measurement highlight the desired background measurement and then select lt View Data gt The Background View Details screen is displayed with the measurement specifics including Status Background Activity Full Spectrum and Technologist Use the A or lt W gt icons immediately to the right of the Background Activity list to scroll to any additional isotopes Select lt Back
68. ails static result from boot up lower half lists diagnostic and status results for each identified detector up to seven on an Atomlab 500 1 Wipe Counter and 6 maximum Dose Calibrators The display is dynamically updated in real time about once per second Real Time Operating Detector Status Changes During the course of normal operation detectors report their status constantly to the display unit including any detectable error conditions The status reports come in as long the power to the display remains on the detectors stay connected and not a severe fault state Communi cation error So this means even if the detectors are not being used or the display is blanked from the screen saver the detectors are still communicating and being monitored For all newly reported error statuses a Detector error reporting screen will appear with a 3 beep audio tone to alert the user An error code will be displayed with its brief description If the class of the error is FAIL the detector will be automatically dropped from being selectable by the user but the functions of the display for data management and configuration can still be used If the class of the error is WARNING the detector is still usable Biodex Medical Systems Inc 2014 1 System Test Screen The System Test screen is divided into two sections where the upper half of the screen shows diagnostics of the display module unit itself from the boot up self diagnostics
69. and the activity changed accordingly However if any screen other than the Measure screen is on view the isotope cannot be changed and the displayed screen will not be affected NOTE Reference Isotope Index Table for programming Prints the current displayed screen on the HP inkjet printer Sets the screen password override 1 Override O entry required If no parameter is given the current state of the password override is displayed Displays a summary of stored QA Data Records For each QA data type the allocated space and used space is shown QAType LocationType Date Range Where QA Type set to ALL or 1 of 11 data types CON GEO ACC DEC LIN CAL HVA CLB BCK WIP CHI or WCN Location Type if the QA Type is WIP then Location Type can be ALL or AREA Restricted or Unrestricted SRC Sealed Source or PKG Package Date Range for a date range or a date for a single day A date is in the format of mm dd yy or can be mm dd assuming the current year ATOMLAB WIPE TEST COUNTER Examples REQDATA WIP AREA 05 01 05 31 get all the Restricted Unrestricted wipe results for the month of May REQDATA BCK 05 22 get all the wipe background results from May 22nd REQDATA ALL all recorded data REQDATA ALL 03 21 2009 all data recorded on one day 03 21 2009 The are defined as CON Daily and Expanded Constancy GEO Geometry ACC
70. and the lower half shows diagnostics relating to the detectors dynamically updated while the detectors are connected and communicating Display Module Diagnostics Display upper half There are 4 fields displayed in this section CPU Functions result of testing the main processor s basic functionality PASS FAIL RAM Tests results of performing 4 different tests on the integrity of the main memory chip 8 MB of storage stuck bit test for 0 and 1 alternating bit cross over test and an addressing test Firmware Check displays the results of checking the CRC s of 3 different program loaded flash memory the Boot program Main 1 program and Main 2 program Program Load displays the results of checking the Boot configuration in flash memory CRC ed and if it was required to changed the default program selected to load Following is the possible displayed values CPU Functions PASS all tests passing FAIL at least 1 of the tests of the processor detected an error RAM Tests PASS all 4 memory tests passing FAIL Code n a memory test failed see values below n 1 Stuck Bit test for 0 failed n 2 Stuck Bit test for 1 failed n 3 Alternating Bit test failed n 4 Addressing test failed Firmware Check PASS all 3 programs were read and verified using CRC 16 WARN Code n Error detected in Boot Program see values below FAIL Code n n n Error detected in Boot Main 1 and or Main 2 n 0 no error detect
71. as been calculated for the well detector There some isotopes that the well efficiency has not been analytically determined due to gamma ray summing in the well You must use the empirical method for these isotopes You may have to create a custom version of the isotope with a different ROI to properly count the isotope in the well Analytically Determined Detector Efficiencies Please refer to this table below for Analytically Determined Detector Efficiency settings set tings on the Atomlab Wipe Test Counter Well efficiency settings that have an are empirically measured Well Wide Window 25 800 keV Isotope Left ROI Right ROI Efficiency 96 Efficiency 241 50 69 35 7 Au 198 349 474 28 0 Ba 133 305 515 36 8 83 93 Co 57 85 158 90 9 90 9 Co 58 434 933 Co 60 997 1533 23 03 26 03 Cr 51 272 368 4 5 5 137 561 761 12 97 36 4 F 18 420 600 28 25 Fe 59 934 1486 3 8 Ga 67 53 424 53 8 Hg 197 56 90 89 1 Hg 203 237 322 44 8 123 134 183 75 4 125 23 80 40 131 309 420 28 7 45 19 In 111 146 490 60 0 70 0 Ir 192 250 703 e EE K 42 1296 1754 Lu 177 37 360 7 8 22 400 600 23 6 56 59 Na 24 1162 3167 103 17 27 62 3 223 40 430 135 9 223 40 430 See note 5 75 102 461 Sr 85 437 591 18 2 99 119 162 81 66 83 95 Tc99 TI 201 50 200 68 3
72. at of a transients burst 1 kV for input output Signal 1 kV typical commercial or hospital environment 61000 4 4 lines Surge 1 kV differential mode 1 kV diff mode Mains power quality should be that of a IEC 61000 4 5 2 common mode 2 com mode typical commercial or hospital environment F 2 APPENDIX F ATOMLAB WIPE TEST COUNTER Immunity test 60601 1 2 60601 1 2 Electromagnetic environment guidance Test level Compliance level Voltage dips short lt 5 UT gt 95 of dipin lt 5 UT gt 95 ofdip Mains power quality should be that of a typical interruptions and UT for 1 2 cycle in UT for 1 2 cycle commercial or hospital environment If a better voltage variations on 40 UT 60 of dip in 40 UT 60 of dip mains power quality is required it is power supply input UT for 5 cycle in UT for 5 cycle recommended that the AL 500 is powered from lines 70 UT 30 of dip in 70 UT 30 of dip an uninterruptible power supply IEC 61000 4 11 UT for 25 cycle in UT for 25 cycle lt 5 UT gt 95 of dip in 5 UT gt 95 of dip in UT for 5 sec Power frequency If image distortion occurs it may be necessary 50 60 Hz magnetic to position the AL 500 display further from field sources of power frequency magnetic fields or IEC 61000 4 8 to install magnetic shielding The power frequency magnetic field should be measured in the intended installation location to assure that it is sufficiently low
73. ate 37000 dps uCi 3515 Decay Correction 2 T t T1 2 2 84 71 y 93 42 432 2 _ 0 986 0 286 100 28 6 D E G E G E 100 28 6 97 7 100 29 3 We should now check our result for common sense The photon emission from Am 241 are 59 5 keV at 35 9 intensity and 26 3 keV at 2 4 intensity The interaction probability for 60 keV photon is very high in the Nal well detector Nal thickness on sides and bottom is about 0 625 inches the bulk of this interaction will be photoelectric which puts most of the counts recorded in the photopeak ROI is set to integrate the photo peak of 59 5 keV Therefore we would expect a detector efficiency to be a little less than photon intensity at 59 5 keV which it is A 6 APPENDIX A ATOMLAB WIPE TEST COUNTER of a Well Compared to a Probe for Counting Efficiency we assume the following parameters Isotope Cs 137 Probe 9 86 Well 13 47 G E Well 96 816 for a source placed 2 54 cm deep in the well Probe 0 278 for a source placed 21 front of the probe Probe 9 86 0 278 02741 Well 13 47 96 816 13 04 A If the detector counts 54 cpm that is equivalent to the following dpm for the parameters listed above Probe 54 02741 197 008 dpm Well 54 13 04 414 dpm E Analytically Determined Theor
74. atic problem in the detector or counter NOTE The system stores the information for the Chi Square test performed on a detector Chi Square can be performed as frequently as desired but is generally performed quarterly or after performing a high voltage test To Perform Chi Square 1 Ensure the area is clear of background contamination and the detector is free of radioactive sources 2 At the Wipe Test Counter Quality Assurance screen select MDA and Chi Square gt The Wipe Test Counter QA screen is displayed 3 Select lt Chi Square gt to advance to the Chi Square screen NOTE It is recommended to use 0 1 uCi Cs 137 Rod Source 4 Place the Cs 137 calibration rod source into the wipe detector and select lt Start gt The system begins counting ten samples Progress is noted in the Chi Square In Progress window NOTE Once the Chi Square is started care should be taken not to move the source or the de tector 5 When counting is completed a Chi Square Completed prompt will be displayed along with the pass fail result Chi Square value and acceptable range 6 If you need to enter or change the technologist touch lt Technologist gt The Technologist List will be displayed To enter a new technologist Touch lt Add Technologist gt Use the keypad to enter the technologist name and touch lt Enter gt The new technologist name will be added to the Technologist list Touch to highlight the technologist nam
75. ation of the decayed activity of Tc 99m with an initial activity of 43 mCi after 53 minutes 6 Ag 43 mCi 7 For Tc 99m 6 007 h 8 Elapsed t 53 min x 1 hr 0 8833 h 60 min Biodex Medical Systems Inc O 2014 D 1 9 Ao x 2072 43 mCi x 2 0 8833 6 007 43 mCi x 2914749 43 0 903 38 83 mCi Alternate Decay Calculation Method If you are using a calculator with the function perform the following 1 Measure the current activity of the radioisotope which be compared to the decayed calculated activity 2 Look up half life of the radioisotope in Appendix E Note the time units 3 Half life of the isotope t Elapsed Time A Current Activity A Activity at the time of calibration n elapsed time half life 4 Calculate A 2 5 Calculate the elapsed time t in the same units as the that will elapse between when the calculated activity measurement was made and when you wish to know what the decayed activity of your radioisotope will be Sample Calculation 6 Ay 43 mCi 7 For Tc 99m 6 007 h 8 Elapsed t 53 min x 1 hr 0 8833 hr 60 min 9 Replace equation with following A 2 0 8833 6 007 Re e 0 1470451 A 43 nCi 2 mn 43 mCi 1 1072992 A 38 83 mCi D 2 APPENDIX D ATOMLAB WIPE TEST COUNTER Decay Factor Method The following method is used to perform radioisotope decay calcula
76. ce the sample in the well counter and then count it The activity is converted to DPM and you have the number of counts ob tained Divide CPM by the DPM to get the efficiency If you changed the location of the wipe you had to create a new standard and recalculate the efficiency The Biodex Wipe Test Counter separates the two components of efficiency geometry and de tector and uses them as separate parts of the equation This allows you to adjust the geome try and change the geometric efficiency portion of the formula without requiring a new standard and counting again to determine the new total efficiency If you change the location depth in the well of the wipe you need to adjust the geometry formula If the wipe or calibration source is placed one inch deep in the well the GE 96 82 NOTE The Atomlab Wipe Test Counter is shipped with the Isotope Efficiency screen set to cen timeters The system is set to centimeters as a unit of measure as long as it is consistent for the diameter and distance Please verify that the setup in the geometric efficiency is set to match the diameter 1 905 cm tube supplied with this unit NOTE 2 diameter 5 08 centimeters 1 75 diameter 4 445 centimeters Biodex Medical Systems Inc 2014 A 1 Geometric Efficiency The value for Geometric Efficiency is calculated from the following equations for well WELL GE ini deed 10 144 ID 1 0
77. ces 2 At the Home menu select Wipe Counter The Wipe Counter screen will be displayed 3 Highlight the Wipe Location desired by touching the location If necessary use the A or lt W gt icons to scroll though the list 4 Place the wipe into the test tube and place into the wipe detector Select Count Wipe The system will begin counting the wipe 5 When the wipe count is complete the system will display an acceptance or failure message Full Spectrum Net Counts Total Net CPM Test Time seconds and Net Counts Over 800 keV will be displayed in the Full Spectrum window Net Activity Net CPM ROI keV and Trigger Level will be displayed in the Isotope Window Biodex Medical Systems Inc O 2014 5 7 6 Data presented in the Isotope Window is for Wide Window To view data for any individual isotope turned ON within the selected location highlight the isotope from the displayed iso list by touching the isotope name The data for that specific isotope will now be dis played in the Isotope Window To return to the Wide Window display touch the isotope name to remove the highlight from the selected isotope and return to the wide window NOTE When the isotope is highlighted the spectrum shows the ROI for the isotope and the isotope window section shows the ROI keV being displayed You can print the spectrum with the isotope window displayed 7 Select Print Save to print out a wipe report or save the wipe tes
78. cluded along with a statement of the problem Equipment will be returned transportation prepaid 2 Calibration A Instruments warranted to be within their specified at the time of shipment If a question arises and BIODEX MEDICAL SYSTEMS INC determines that the initial calibration is in error the instrument will be recalibrated at no charge Mechanical products are warranted to meet written specifications and tolerances at the time of shipment The return policy is as stated in paragraph 1 C 3 Warranty is non transferable 4 Non Warranty Service XII A Repairs and or replacements not covered by this warranty may be performed by BIODEX MEDICAL SYSTEMS INC at a factory authorized service location Estimates of repair charges may be requested however a charge for estimate preparation may apply if the repair is later not authorized by the customer The cost of transportation into and out of the service location will be the responsibility of the customer ATOMLAB WIPE TEST COUNTER Service Procedure If you think you have a service problem take the following action 1 Check to see that the problem occurs more than once 2 Check the instruction manual and operations procedure 3 Check the instruction manual Troubleshooting Guide If you still think you have a service problem call BIODEX MEDICAL SYSTEMS INC Service Department at 800 224 6339 Int 631 924 9000 Keep yours
79. ction List A red X appears next to the detector to remove Biodex Medical Systems Inc O 2014 8 7 Add Detector 1 Touch to highlight the detector to add 2 Touch lt Add To Selection List gt The red disappears from next to the detector to remove To change L D 1 Touch to highlight the detector for which to change 1 0 2 Touch Change I D gt 3 The current Detector ID is listed as From Use A or A to scroll to the appropriate new ID besides the To prompt 4 Touch Enter The system will prompt Are You Sure Touch Yes to confirm or No to return to the Change Hardware Detector ID screen without making changes 5 If you have elected to change the Detector ID the system will automatically reset at this point and run a new Power ON self test Touch Home to return to the system Home Page NOTE Each chamber connected must have a different ID number You cannot have two cham bers with the same ID ID numbers available are 2 4 6 8 10 12 and 14 The Wipe Counter is preset to ID 14 Figure 8 9 Touch screen calibration 8 8 SYSTEM MAINTENANCE ATOMLAB WIPE TEST COUNTER Appendix Isotope Efficiency Calculation The total efficiency of a counting system for a specific isotope is a combination of the geometry at which the source is counted times the detector s efficiency for a specific isotope Tradition ally the user would create a sample of a known activity pla
80. ded Use The Atomlab Wipe Test Counter is intended to measure the activity of a radioactive wipe This measurement may be for the purposes of determining if a surface has been decontaminated with radiation Indications for Use The Atomlab Wipe Test counter is used in nuclear medicine departments clinics and nuclear pharmacies to measure contamination on a wipe The Biodex Atomlab Wipe Test Counter combines a LCD touch screen with a 2x2 sodium iodide drilled well crystal integral line detector The detector is housed in a lead shield with inch of lead shielding There is an optional Z inch additional shielding that can be placed onto the well The well detector has a 64 channel multi channel analyzer built into the base of the well detector The system is designed to allow the user to quickly and simply perform their required daily and weekly wipe tests for their department The Atomlab Wipe Test Counter is designed to use a Cs 137 Rod Source to perform the daily automatic calibration function To use the Biodex Atomlab Wipe Test Counter there are initial setup functions that need to be performed and then the operator only has to do a daily calibration and a daily background check and they can easily count their wipes The easy to use display can sit on a counter top or be mounted to the wall The Atomlab Wipe Test Counter has a full spectrum energy range of 0 to 800 keV which covers the normal isotopes used in Nuclear Medicine The Atomlab Wipe
81. ded to use 0 1 uCi Cs 137 Rod Source 2 Select lt High Voltage Adjustment gt The High Voltage Adjustment screen is displayed Results for the most recently completed high voltage adjustment along with the date performed are displayed 3 Place the Cs 137 calibration rod source into the wipe detector and select lt Start gt The system will begin counting When counting is completed a High Voltage Completed OK prompt will be displayed along with the voltage last done date and elapsed time seconds 4 Select lt Technologist gt The Technologist List will be displayed NOTE You must select technologist to save the high voltage adjustment To enter a new technologist Touch lt Add Technologist gt Use the keypad to enter the technologist name and touch lt Enter gt The new technologist name will be added to the Technologist list Touch to highlight the technologist name desired from the Technologist List and then touch lt Enter gt The system returns to the High Voltage Adjustment screen with the new technolo gist selected 5 Select lt Print gt to print out a copy of the current high voltage if desired 6 Select lt Save Continue gt save the high voltage adjustment The display returns to the Wipe Test Counter QA screen Biodex Medical Systems Inc 2014 6 7 View High Voltage Adjustment Data See Figure 6 6 HV Adjustment Data Wipe Counter BIODEX office Biodex Model 086 332 Serial
82. dvance to the Isotope List For Wipes screen 5 Select Add Custom Isotope The Add Isotope For Wipes screen is now displayed Touch to highlight any field and then enter the value via the keypad Touch Enter after each entry to return to the Add Isotope For Wipes screen For Half Life Units touch to toggle between seconds minutes hours days years Once you have filled out the entire Add Isotope for Wipes screen touch Enter to advance to the Add Isotope to List screen Touch Yes to add the isotope or X to cancel and re turn to the Isotopes List for Wipes screen Gp NOTE You must enter a value for each item 8 Once the new isotope has been added the system will prompt completion of an efficiency measurement and return to the Isotope List For Wipes screen Select Isotope Settings and return to the Isotope List where you can select the new isotope to perform an efficiency measurement touch Enter and perform the detector efficiency as previously described Remove Custom Isotope To remove a custom isotope from the isotopes list 1 2 3 4 5 6 From the Wipe Counter Configuration screen touch Isotope List Enter your password and touch Enter The Isotope List For Wipes screen is now displayed Touch Remove Custom Isotope The Remove Isotope screen is now displayed Touch to highlight the isotope to remove Touch Yes to remove the isotope The system returns to the
83. e CAUTION The plug is considered the method of disconnecting the product from mains power Do not place the product in a position where the plug is not easily accessible ATTENTION Le bouchon est consid r e comme la m thode de d connexion du produit d alimentation Ne placez pas le produit dans une position o le bouchon n est pas facilement accessible CAUTION The product is intended to remain in one location during operation ATTENTION Le produit est voulu rester dans un emplacement pendant l op ration ATOMLAB WIPE TEST COUNTER Unpacking Instructions Shipping Cartons The Atomlab Wipe Test Counter and its respective components are carefully packed in two car tons One carton contains the display unit and accessories the other carton contains the detec tor unit Both are shipped in an overpack 4 NOTE Prior removing of cartons from the shipping box visually inspect the 2 gt box the inside packing for damage If any damage is noted do not unpack the con tents Notify the carrier immediately so that a claim can be made if necessary and con tact your Biodex Medical Systems Sales Representative gt NOTE Before a location to set up your Atomlab for operation be sure to gt read Chapter 2 on installation This notes operating and environmental require ments and offers several tips on choosing a location for your dose calibrator The Display
84. e ROI The calculated efficiency is now dis played in the Set Edit Efficiency window 9 Touch lt Print gt to print the Detector Efficiency screen lt Cancel gt to return to the Isotope Set ting screen without saving the New Detector Effciency or lt Enter gt to return to save and re turn to the Isotope Setting Screen NOTE When the detector efficiency is set the system automatically makes the isotope available for wipe Detector Efficiency Full Spectrum 97 0620 Test Time secs 1555 6 a Set Edit Isotope Assay 10 23 01 08 2008 Efficiency Current Activity 800 keV Geometric Isot Activit lt gt Measure Bkgrnd Print Figure 4 13 The Set Edit Efficiency window with calculated efficiency displayed Biodex Medical Systems Inc 2014 4 13 Make Isotope Available Or Unavailable For See Figure 4 14 Isotope Settings Isotope 57 factory defined Half Life 271 77 days ROI Lower Level 103 keV ROI Upper Level 158 keV Regulatory Levels for Wipe Areas in DPM Restricted 20000 Unrestricted 2000 Package Regulatory Level 6600 Available for Wipes Isotope Efficiency Detector Efficiency c Cancel Print Enter Figure 4 14 The Isotope Settings screen Toggle lt Yes or lt No gt to make available or unavailable for wipe 1 To make the selected isotope available or unavailable for wipe at the Isotope Settin
85. e current setting and then touch your selection from the pop up list Touch any part of the screen while the pop up list is displayed to cancel without making any changes Biodex Medical Systems Inc O 2014 7 5 Time Format The Time Format option allows the user to select from a 24 hour clock or a m p m clock for mat Simply touch the lt Time Format gt value to make the change Touch lt Back gt to return to the Utilities menu Printer Settings See Figure 7 6 Printer Settings USB Local Disable Printing Figure 7 6 The Printer Settings screen Printer settings can be set to allow for USB local printer Network IP address to disable printing To Select USB Local printing 1 From the lt gt screen touch lt Utilities gt The Utilities screen is now displayed Touch lt System Configuration gt The System Configuration screen is now displayed Touch lt Printer Settings gt The Printer Settings screen is now displayed Touch to highlight lt USB Local gt WN Touch lt gt to select USB Local printing and return to the System Configuration screen lt Cancel gt to return to the System Configuration screen without changing the current printer setting 7 6 SYSTEM CONFIGURATION ATOMLAB WIPE TEST COUNTER To Select Network printing 1 From the lt Home gt screen touch lt Utilities gt The Utilities screen is now displayed A Touch lt System Co
86. e desired from the Technologist List and then touch lt Enter gt The system returns to the Chi Square screen with the new technologist selected 7 Touch lt Print gt to print out a copy of the current Chi Square if desired 8 Touch lt Save Continue gt to record and save the Chi Square The display returns to the Wipe Test Counter QA screen 6 18 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER 02 05 09 10 02 Chi Square View Details Measure Date Wipe Counter Biodex Model 086 332 Serial 06080014 Detector Serial 2007002 Chi Square Test Results Chi Square Table Value 6 56 Status PASS Probability Value Sample Counts 0 99 2 09 4 16047 0 95 3 33 16260 0 90 4 17 Lower Limit 16260 0 50 8 34 16243 0 10 14 68 Upper Limit 16435 0 05 16 92 16270 0 01 21 67 16114 16250 16354 16285 o OU Back Delete Earlier c A WH Technologist karen Jefferson Figure 6 16 Chi Square details from test View Chi Square See Figure 6 17 Chi Square Data Wipe Counter Biodex Model 086 332 Serial 06080014 Detector Serial 2007002 Date Status Value Technologist 01 29 10 5 04 PM PASS 7 29 ems 06 29 09 12 15 55 11 39 css 06 29 09 12 12 PM FAIL 17 85 css 05 13 09 4 55 PM PASS 5 07 karen Jefferson 02 20 09 10 21 AM PASS 11 63 css 02 05 09 10 02 AM PASS 6 56 karen Jefferson o Bg Back Options View Data Delete Earlier Print Figure 6 17 The Chi
87. e screen is now displayed 3 Select Factory Default The default settings will be automatically entered in the appropriate fields 4 Select Enter to return to the Wipe Test Counter Configuration screen NOTE Cs 137 is used as the factory default isotope because it has a low efficiency compared to other isotopes used in nuclear medicine departments 4 20 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER Custom Set A Wide Window Isotope 1 2 3 From the Wipe Test Counter Configuration screen select lt Wide Window Isotope gt Enter your password and select lt Enter gt The Set Wide Window Isotope screen is now displayed Touch Isotope Symbol and select the isotope to set as a wide window from the Isotope List Select Enter to return to the Set Wide Window Isotope with the isotope selected NOTE Only isotopes available for wipe testing can be set as the wide window isotope If desired select Factory Defaults for all values The system sets the factory defaults Select Enter to return to the Wipe Test Counter Configuration screen NOTE The factory default for the wide window is for Cs 137 See Appendix A for efficiencies for some isotopes with a wide window of 25 to 800 keV You must manually enter these efficiencies NOTE The counting time for efficiency is the time set in Wipe Counter Preferences as the Wipe Count Time The counting time should be a minimum of 30 seconds when calcula
88. each individual isotope listed Biodex Medical Systems Inc 2014 1 1 The user has the option to set the displayed results as com dpm microcuries or bequerels Dif ferent types of wipe tests can be set to show the results in different units of measurement Each type of location has different trigger levels associated with the allowable level of contamination The Atomlab Wipe Test Counter is designed so that the wide window energy range that is used for the basic test results can be set by the user as well as what isotope efficiency they want to use for the calculation of the efficiency for the wide window Typically a low efficiency isotope is used for the wide window calculation If the isotope with low efficiency is used and the wipe passes the test then isotopes that have a higher efficiency automatically would pass if they were the contaminates For the daily operation of the Atomlab Wipe Test Counter the user would first place the Cesium Rod into the well press the button to automatically perform the calibration and after calibration remove the source and perform a background measurement Once the background measurement is completed and saved the unit goes to the wipe test program The count wipe can be depressed and the system will automatically do a wide window count with no location selected If the user selects one of the locations and then presses count wipe the system counts the wipe and does all the determinations that are
89. ealed source and the number of significant digits for mCi or Factory defaults can also be selected for these parameters To Access The Preferences Screen 1 From the Home screen select lt Utilities gt The Utilities screen is now displayed 2 Select lt Wipe Counter Configuration gt The Wipe Test Counter Configuration screen is now displayed 3 Select lt Preferences gt 4 At the Enter Password screen key in your password 123 is the default Select lt Enter gt to advance to the Preferences screen The Preferences screen allows users to set several system parameters including Background Count Time Wipe Count Time Daily QA Test Method constancy calibration or just calibration Report Wipe Activity Units In DPM mCi Bq or Cnts Report Wipe Sealed Source Units In DPM mCi Bq or Cnts of Significant Digits for mCi KBq 2 5 NOTE If your system is set up for curies then mCi is displayed If set up for Becquerels then Bq is displayed 4 22 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER user set any parameter listed choose to use the factory default settings To Select Preference Default Settings 1 At the Preferences screen select lt Factory Defaults gt The default settings will be automati entered in the appropriate fields 2 Select lt Enter gt to return to the Wipe Test Counter Configuration screen To Set Custom Preferences 1 From the Wipe
90. ecs Net Cats gt 800 800 Isotope Tc 99m Net Activity PISIS Ao B Net CPM KEL APA 119 162 keV Trigger Level 20 000 a 9 c Discard Print Save Figure 5 7 A Wipe Counter screen showing a wipe that failed with an individual isotope highlighted Wipe Counter Location Hot LAB PASS Acceptable Level 1 131 Tc 99m TI 201 Tc TI 201 Biodex Medical Systems Inc O 2014 Full Spectrum Net Cnts Total Net CPM Test Time secs 1 0 v 800 Isotope 99 Net Activity ROI 119 162 keV Trigger Level 20 000 Uc Figure 5 8 An acceptable Wipe Counter spectrum for an individual isotope turned ON for the region of interest 5 9 Wipe Test Results Biodex Model 086 332 Serial 08070015 Detector Serial 9020011 04 27 2009 13 20 Test Date Highlighted ROI 1 131 309 420 keV Full Spectrum Net Cnts 7 Total Net CPM 7 0 Test Time secs 60 Net Cnts gt 800keV 3 Total Efficiency Background Net Activity Net CPM ROI Trigger Level Hot Lab Technologist Status PASS Acceptable Level Isotope Background Net Activity Net CPM 13 0 1 0 0 0 10 0 Ga 67 1 131 Tc 99m TI 201 422 DPM 153 DPM 41 DPM 131 DPM 26 DPM 3 DPM 0 DPM 20 DPM Approved By Figure 5 9 A printed acceptable Wipe Test Results report with spectrum Trigger 20
91. ed n 1 Parameter Block inconsistency n 2 Parameter Block CRC 16 error detected n 3 Program CRC 16 error detected Program Load PASS Loaded Program n n is 1 or 2 WARNING Code n n error detected see values below 1 0 Boot Configuration inconsistency 2 0 Boot Configuration CRC 16 error detected 0 1 the default program 1 or 2 was invalid for some reason so the alternate program had to be loaded 1 1 combined errors Boot Configuration inconsistency and invalid default 2 1 combined errors Boot Configuration CRC 16 error and invalid default 2 APPENDIX WIPE TEST COUNTER Detector Diagnostics Display lower half There are several properties of a Wipe Counter detector monitored and measured The results are reported as a coded value with an associated description Space on the display is tight to accommodate up to 7 detectors so if there s only 1 error in effect we display the associated description If there are multiple errors we display only the codes Here is the list of error codes their class and their description for Wipe Counters Error Code Class Description Code 1 FAIL Firmware Checksum Code 2 FAIL EEPROM Data Corrupt Code 3 Communications Error Code 4 FAIL Could Not Set High Voltage Following is the display status displays for the Wipe Counters PASS no reported problems no errors in effect ready for measuring activity FAIL lt description gt FAIL n n n 2 or mo
92. elect lt Enter gt after completing each field to record the new date 5 Once the date fields are completed select lt Enter gt to return to the Chi Square Data screen with Chi Square for the selected date s now displayed 6 For a more detailed view of any Chi Square highlight the desired test and then select lt View Detail gt The Chi Square View Details screen is displayed with the measurement specifics in cluding Date Value Status Sample Counts a Chi Square Table with Probability and Value Technologist and Atomlab Wipe Test Counter and Detector serial numbers 7 Select lt Print gt at any time to print the Chi Square Data screen or Chi Square View Details screen 6 20 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER Chi Square Formula Mean N gt N i 1 Chi Square x gt Ni i33 N Number of Measurements x Chi Square N Measurement N Mean Example Chi Square Calculation Sample Ni 106264 106300 106358 106909 106384 107199 106794 106203 106822 106485 1065718 10 106571 8 Biodex Medical Systems Inc O 2014 Ni N N 106264 106571 8 307 8 94740 84 106300 106571 8 271 8 73875 24 106358 106571 8 213 8 45710 44 106909 106571 8 337 2 113703 84 106384 106571 8 187 8 35268 84 107199 106571 8 627 2 393379 84 106794 106571 8 222 2 49372 84 106203
93. elf and the phone next to the equipment 1 Service will ask you for a brief description of the problem We will ask specific questions about the malfunction that occurred This diagnostic process may take a few minutes so call us when you have time to spare 2 After taking the information we will advise on the action we will take Sometimes service personnel must consult with engineering and it may take time to get back to you Be sure to let the service representative know your schedule so that we can call at a convenient time 4 The return call may be from a person other than whom you first reported the problem to After analyzing the problem we will decide if the unit must be returned to us for repair or replacement parts will be sent 6 If unit must be returned it will be given a Return Material Authorization R M A number by us Pack the system in the carton that it was originally shipped in or pack it safely and securely to avoid shipping damage It is the customer s responsibility for any damage that occurs during shipping 7 Non warranty non service contract charges for repair are as follows a Materials b Time Service c Shipping Charges Contact Information Biodex Medical Systems Inc 20 Ramsey Road Shirley New York 11967 4704 Tel 800 224 6339 Int l 631 924 9000 Fax 631 924 9241 Email info biodex com www biodex com Biodex Medical Systems Inc O 2014 XIII 1 Introduction Inten
94. er gt to save and return to Wipe Counter Configuration screen Constancy Setup See Figure 4 22 and 4 23 Wipe Constancy Setup Acceptance Variance 10 Enter Calibration Activity 10 0 pCi Enter Calibration Date April 15 1993 Enter Source ID 2 Cancel Figure 4 22 The Wipe Constancy Setup screen The Wipe Constancy Setup screen allows users to enter an acceptance variance value calibra tion Activity calibration date and Source 1 0 To Set Wipe Constancy Values 1 From the Wipe Counter Configuration screen select Constancy Setup The Wipe Constancy Setup screen is displayed 2 Touch to select Acceptance Variance then use the keypad or scroll keys to enter the ap propriate value Touch Enter to confirm and return to the Wipe Constancy Setup screen 3 Touch to select Enter Calibration Activity then use the keypad or scroll keys to enter the appropriate value Touch Enter to confirm and return to the Wipe Constancy Setup screen 4 24 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER 4 Touch to highlight lt Enter Calibration Date gt Touch to highlight each field and use the lt A gt and lt W gt keys to enter the date desired Touch lt Enter gt to confirm and return to the Wipe Constancy Setup screen 5 Touch to highlight Enter Source I D gt Use the keypad to enter the Source I D Touch Enter to confirm and return to the Wipe Constancy Setup screen 6 When all
95. es RF energy only for its internal CISPR 11 functions Therefore its RF emission is very low and is not likely to cause any interference in nearby electronic equipment RF emissions Class A The AL Wipe Test Counter is suitable for use in all establishments CISPR 11 other than domestic and those directly connected to the public low voltage power supply network supplying buildings used for domestic purposes Harmonic distortion EN Class A 61000 3 2 Voltage fluctuations and Complies flicker EN 61000 3 3 Note It is essential that the actual shielding effectiveness and filter attenuation of the shielded location be verified to assure that they meet the minimum specifications Immunity Manufacturer s declaration electromagnetic immunity The AL Wipe Test Counter is intended for use in the electromagnetic environment specified below The customer or the user of the AL Wipe Test Counter should assure that it is used in such an environment Immunity test IEC 60601 1 2 IEC 60601 1 2 Electromagnetic environment guidance Test level Compliance level Electrostatic discharge 6 kV contact Contact 6 Floor should be wood concrete ceramic ESD 8 air Air 8 kV tiles If floor is covered with synthetic IEC 61000 4 2 material the relative humidity should be at least 30 Electrical fast 2 for power lines Power 2 Mains power quality should be th
96. etector s 1 Id 14 SN 2007002 Wipe PASS reported problems 2 Figure 8 6 The System Test screen Biodex Medical Systems Inc O 2014 8 5 Touch lt System Test gt to display system wide diagnostics test performed at power up which covers the following BIOS Post Results Detector s Detector status information is continually monitored During the Power ON test the display will show a Detector Identification In Progress message If all tests are completed without errors the system will note that there are no reported prob lems If a problem is discovered the system will note the failure with an error message and de pending on the problem possible solutions If a printed System Test report is required touch lt Print gt to print the System Test screen fol lowing the test Touch Home to return to the system Home Page Touch lt Back gt to return to the System Maintenance screen Detector Status See Figure 8 7 Detector Status DisplayModule Biodex SW 086 330 E600 Version 1 31 02 02 2012 PC104 Firmware 1 00 Detector Chamber Firmware High Argon Detector Detector Number Type Version Voltage V grams Pressure kPa Temperature 4 4 44 Wipe Counter 1 00 04 1112 0 Figure 8 7 The Detector Status screen The Detector Status screen lists all the detectors present by number and ID type firmware ver sions on the detector PC board the high voltage reading
97. etical Detector Efficiencies The following table of 25 isotopes contains analytically determined efficiency values or efficien cies created from know activity standards for use with this instrument Stated with the effi ciency value is lower and upper region of interest for which the efficiency is valid In the wipe test program these 5 are fixed and cannot be adjusted Therefore these efficiency values may be used in the wipe test program of this instrument instead of empirically determining the efficiency for each isotope NOTE It is recommended that you empirically determine the detector efficiency of your system the analytically determined values are approximations Biodex Medical Systems Inc O 2014 A 7 The detector efficiency is composite number which allows conversion from detector counts to disintegrations for a given isotope Three factors affect it 1 The photon intensity in the isotope decay scheme defines the number of photons which emitted per 100 disintegrations of the isotope This number can be less than or greater than 100 as exhibited by Cr 51 10 and Co 60 200 The photon energy and percent abun dance in the decay scheme be found in Table of Radioactive Isotopes by Edgardo Browne and Richard Firestone pub John Wiley amp Sons 1986 ISBN 0 471 84909 2 The photon interaction in the detector will produce counts which integrate to a fraction of the total nu
98. ew technologist Touch lt Add Technologist gt Use the keypad to enter the technologist name and touch lt Enter gt The new technologist name will be added to the Technologist list Touch to highlight the technologist name desired from the Technologist List and then touch lt Enter gt The system returns to the Background Wipe Test Counter screen with the new technologist selected 4 Touch Print to print out a copy of the background results if desired Touch lt Save Continue gt to record and save the background results and advance to the Wipe Test Counter screen 5 6 WIPE TEST ATOMLAB WIPE TEST COUNTER Wipe Test Procedure See Figures 5 5 5 9 Wipe Counter Full Spectrum Test Time secs cuts gt soo ___ __ 800 Isotope Wide Window Wide Window camera rm 1 8 Net Activity hot lab jJ stress room 25 800 keV Trigger Level 2 000 DPM amp 3 o Count Wipe uptake Figure 5 5 The Wipe Test Counter screen Having performed a daily calibration background measurement and if necessary high voltage adjustment a wipe test can be performed using the following basic procedure NOTE Wipe test can be performed for specific locations or if you do not select a location the wipe is done for a wide window only To Perform A Wipe Test 1 Ensure the wipe detector is clear of radioactive sour
99. field then enter the value via the keypad Touch Enter after each edit to return to the Edit Isotope For Wipes screen For Half Life Units touch to toggle be tween seconds minutes hours days years 8 Once all edits are complete touch Enter to save the edits and return to the Isotope List for Wipes screen Biodex Medical Systems Inc O 2014 4 17 Wipe Location Setup See Figure 4 17 and 4 18 Wipe Location Setup Floor Computer Keyboard Choose a Location Desk On The List By Touching It s Name eres sink camera 2 Hot Lab Cs137 Rod o 00060 Cancel Edit Delete Print Enter Figure 4 17 The Wipe Location Setup screen Add a Wipe Location Type Restricted Trigger Level Location Isotopes Scroll List e Cancel Figure 4 18 The Wipe Location Detail screen 4 18 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER Wipe Location Setup screen allows the user to define individual wipe locations and select isotopes specific for each location defined To Access The Wipe Location Setup screen 1 2 From the Home screen select lt Utilities gt The Utilities screen is now displayed Select lt Wipe Test Counter Configuration gt The Wipe Test Counter Configuration screen is now displayed 3 Select lt Wipe Location Setup gt At the Enter Password screen key in your password 123 is the default Select lt Enter gt to advance to the Wipe Location Se
100. gs screen touch to toggle Yes or No next to the Available For Wipe prompt NOTE You must have a detector efficiency for the selected isotope listed plus a geometric efficiency to make an isotope available for wipe 2 Touch Enter to return to the Isotope List For Wipes screen 4 14 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER Add Custom Isotope See Figure 4 15 Add Custom Isotope For Wipes Isotope Symbol Regulatory Levels for Wipe Areas Restricted nE Unrestricted g gt xm ce Cancel Figure 4 15 The Add Custom Isotope For Wipe screen The Add Custom Isotope screen allows users to add a new user defined isotope for wipe testing to the isotope list of the following parameters must be entered to add the isotope Isotope Symbol Half Life Half Life Units seconds minutes hours days years ROI Lower Limit ROI Upper Limit Regulatory Levels restricted and unrestricted Package Levels Biodex Medical Systems Inc O 2014 4 15 To Add A Custom Isotope For Wipes NOTE If you are at the Isotope List for Wipe Screen go to Step 5 From the Home screen select lt Utilities gt The Utilities screen is now displayed Select lt Wipe Counter Configuration gt The Wipe Test Counter Configuration screen is now displayed 3 Select Isotope List 4 At the Enter Password screen key in your password 123 is the default Select Enter to a
101. he Isotope Settings screen 4 6 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER User Defined Parameters changed by the user Regulatory Levels for Wipe Areas in DPM Available for Wipes Yes or Isotope Efficiency percentage Detector Efficiency Allows setting the isotope efficiencies Geometric Efficiency Allows setting the geometric efficiencies NOTE System efficiency is detector efficiency multiplied by geometric efficiency At the bottom of the Isotope Settings screen lt X gt cancels all information entered and returns to the Isotope List For Wipes screen Print prints out the selected Wipe Isotope information Enter selects the highlighted isotope and advances to the Isotope settings screen Regulatory Levels See Figure 4 8 Restricted Level in DPM 20000 J e D Cancel Figure 4 8 Keypad entry allows the user to set the appropriate Restricted Level in DPM Biodex Medical Systems Inc 2014 4 7 That Atomlab Wipe Test Counter includes factory preset regulatory trigger levels to regulations The user can change these trigger levels from the Isotope Settings screen if desired 1 To change the Regulatory Levels for Wipe Areas touch Restricted The Keypad screen is now displayed 2 Enter the appropriate value in Disintegrations Per Minute DPMs on the Keypad screen Touch lt Enter gt to confirm and return to the Isotope Settings screen U
102. hroughout this manual is essential for using the Atomlab Wipe Test Counter both properly and safely bes SPECIFIC CAUTIONS Allow only qualified trained personnel to operate or service this product If the equipment is used in a manner other than specified in this operation manual the protection provided by the equipment may be impaired and results could be compromised The display operates on low voltage and the power supply auto ranges from 100 to 240 volts input current The detector steps up the current to increase the high voltage required to operate the detector Never open the detector The detector should only be opened by experienced qualified personnel The Atomlab Wipe Test Counter is designed for use with specific printers Contact Biodex for compatible printers The pre set ROIS noted in Appendix D are hard coded and cannot be changed by the user Leave the Atomlab Wipe Test Counter power ON so that the detector remains stable and can quickly provide accurate measurements PRUDENCES SP CIFIQUES Admettez que le personnel seulement autoris entrain pour op rer ou assurer ANC l entretien de l Atomlab Essuie le Comptoir D essai Si l quipement est utilis dans une mani re autre qu indiqu dans ce manuel d op ration la protection fournie par l quipement peut tre diminu e et les r sultats pourraient tre compromis L talage op re sur le voltage bas et les auto gammes d alimentation lectrique du co
103. htness can be set from 1 least bright to 10 brightest Touch the de sired value on the LCD brightness scale to set Tone Volume The system volume can be set from 1 lowest to 10 loudest Touch the desired value on the Tone Scale to set Touch lt Home gt to return to the Home screen Touch lt Back gt to return to the Utilities screen Touch Measure to return to the Count screen Biodex Medical Systems Inc 2014 7 9 8 System Maintenance System Maintenance Data Management System Test Detector Status Detector Management 1 Touch Screen Calibration Figure 8 1 The System Maintenance screen The System Maintenance option is used to address various system maintenance functions including Data Management System Test Detector Status Detector Management QA Data Management Touch Screen Calibration To access the System Maintenance options at the Home screen select lt Utilities gt From the Utili ties screen select lt System Maintenance gt to arrive at the System Maintenance screen Biodex Medical Systems Inc 2014 8 1 Data Management See Figures 8 2 and 8 3 Summary View of Stored QA Data Chambers Biodex Model 086 332 Serial 1008002p Oldest Newest Count Total Capacity Constancy 11 14 2011 02 15 2012 33 12000 Geometry 11 17 2011 02 12 2012 11 2000 Accuracy 11 17 2011 02 12 2012 16 2000 Decay 11 142011 02 12 2012 35 2000 Lineator 11 18 2011 12 26 2011
104. in the detector and automatically communicated to the display To View Serial Numbers 1 Touch lt Serial Numbers gt The Enter password screen is displayed 2 Enter your password and touch lt Enter gt The Serial Numbers screen is displayed with a listing of all serial numbers recorded for the system 3 Touch lt gt to return to the system configuration screen NOTE Serial numbers can only be viewed on this screen You cannot change the serial number Biodex Medical Systems Inc 2014 7 3 Facility See Figure 7 4 Facility SBIODEX HOSPITAL SYSTEM g gl El EJ EJ CH EJ ed E 3 2 Figure 7 4 The Enter screen This option allows the user to enter or change the facility name and address You can enter up to four lines of text for this parameter The facility name and address entered will appear on some printed reports To Enter or Change the Facility Name 1 Touch lt Facility gt The Enter password screen is displayed 2 Enter your password and touch lt Enter gt The Enter Facility screen is displayed 3 Key in the new facility name and address then touch lt Enter gt to return to System Configura tion screen with the new name selected or lt Cancel gt to exit without updating the facility name 4 Use the lt W gt at the top right of the screen to move to each line of the address You can add the phone number if desired as part of the addres
105. ious High Voltage setting in effect therefore making the Wipe Counter inaccurate to use A power reset may clear the condition but a High Voltage Adjustment is recommended before using the unit further If the error per sists the chamber should be serviced Biodex Medical Systems Inc 2014 3 Appendix D Decay Calculations This appendix provides methods of performing radioisotope decay calculations The first section provides two methods of performing Decay Calculations the second section pro vides the Decay Factor Chart and the third section provides an explanation of how the proce dures used in the first section and the Decay Factor Chart in the second section are generated Decay Calculation Methods Calculator Method If you are using a calculator with the Y function perform the following 1 Measure the current activity of the radioisotope Ao which can be compared to the decayed calculated activity Look up the half life of the radioisotope in Appendix E Note the time units Half life of the isotope t Elapsed Time A Current Activity Activity at the time of calibration Calculate A Ag x 26979 Calculate the elapsed time t in the same units as the T that will elapse between when the calibrated activity measurement was made and when you wish to know what the decayed ac tivity of your radioisotope will be Sample Calculation The following is a calcul
106. ipment can affect medical electrical equipment Use of accessories transducers and cables other than those specified with the exception of accessories transducers and cables sold by the manufacturer of this equipment as re placement parts for internal and external components may result in increased emissions or decreased immunity of the equipment The AL Wipe Test Counter should not be used adjacent to or stacked with other equipment If the AL Wipe Test Counter is used while positioned adjacent to other equipment it should be observed to verify normal operation in the configuration in which it will be used List of Cable Accessories The list in Table 1 2 includes all accessory cables supplied with the AL Wipe Test Counter for which the manufacturer of this equipment claims compliance to EN 60601 1 2 when used with the AL Wipe Test Counter Cable description Part no Cable length Power Input Wall Pack Biodex 4 C13116 6ft Nema Cord Set Biodex C11789 10ft Table 1 2 AL 500 cables Biodex Medical Systems Inc 2014 1 Declaration of Conformity Emissions Manufacturer s declaration electromagnetic emissions The AL Wipe Test Counter is intended for use in the electromagnetic environment specified below The customer or the user of the AL Wine Test ter shoul that it i in such an environment Emission test Compliance Electromagnetic environment RF emissions Group 1 The AL Wipe Test Counter generat
107. isted above the recommended separation distance 4 in meters m be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating ofthe transmitter in watts W according to the transmitter manufacturer Note 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies Note 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people F 4 APPENDIX F ATOMLAB WIPE TEST COUNTER Appendix Glossary Following are several definitions for common terms relevant to the Atomlab Wipe Test Counter Background Correction This value derived by taking a background measurement is automatically subtracted from all subsequent activity measurements to compensate for the background activity level Calibration The use of calibrated activity sources traceable to the National Institute of Standards amp Technol ogy to calibrate each Atomlab 500 Wipe Counter unit and determine the efficiencies for various isotopes Decay Chart A chart projecting how the activity of a source will decay over a period of time at specified time intervals L Block Shield partially transparent radiation shield behind which doses can be prepared NIST National Institute of Standards amp Technology whose activities include maintaining radioactive material standards
108. leted select Enter to return to the Stored Wipe Data screen with wipes for the selected date s now displayed 6 For a more detailed view of any displayed wipe highlight the desired wipe and then select View Wipe The Wipe View Details screen is displayed with the measurement specifics in cluding Date Location Status net CPM Net Activity and Technologist 7 Select Print at any time to print the Stored Wipe Data screen The Summary Report or Detail Report will print depending on the option selected in step 4 6 16 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER 01 10 12 2 46 Wipe View Details Test Date Wipe Counter bench Biodex Model 086 332 Serial 1008002p Detector Serial 9020011 Location hot lab Status FAIL Wide Window and Isotope Full Spectrum Net Cnts 1 436 Isotope Net Activity NetCPM Status Total Net 8 616 0 F 18 6 472 DPM 1 770 0 PASS Test Time secs 10 Co 57 1 261 DPM 1 110 0 PASS Net Cnts gt 800keV 1 Cs 137 18 300 DPM 2 298 0 PASS Wide Window 1 123 1 068 DPM 780 0 PASS Isotope 5 137 1 134 5 787 DPM 1 608 0 FAIL Net Activity 24 449 DPM In 111 7 468 DPM 4 338 0 PASS Net CPM 8 616 0 Tc 99m 835 DPM 660 0 PASS Technologist o TI 201 2 123 DPM 1 038 0 PASS cs o 60400 Back Delete Earlier Later Print Figure 6 14 Stored wipe view details for an individual wipe test Chi Square See Figure 6 15 and 6 16 Chi Square Wipe Counter
109. m returns to the MDA Verification screen 7 desired select Print to print the MDA Verification screen 6 24 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER NOTE The system only stores the current calculation of MDA information Previous calcu lations are not saved Be sure to print the current MDA calculations for your records MDA is calculated using the following equation NOTE The system assumes a 100 cm wipe Determining MDA for Radiation Measurements U S Government formula for MDA Minimum Detectable Activity MDA 2 71 8 29 V ORT 100cm 2 71 3 29 Det efficiency x Geometric efficiency x 100 NOTE The system assumes 100 wipe count rate of the natural background time of the background count T time of the sample count E detection efficiency of the counter A area monitored or wiped NOTE E Detector efficiency x Geometric efficiency NOTE Wipe area program assumes 100 100 cm 1 Biodex Medical Systems Inc 2014 6 25 MDA Examples Geometric eff 96 82 Wipe Count 10 sec 166667 minutes Bkgnd Count 30 sec T 5 minutes Det eff x Geo eff x A 100 Example a Co 57 MDA 2 71 166667 3 29 70 5 70 166667 909 x 9682 x 1 16 26 3 29 140 420 8800938 16 26 77 85561 _ 106 93dpm 88
110. mber of photons passing through the detector This will always be less than 100 and will depend upon the window thickness which the photon detector must pass through detector crystal geometry and the photon energy This photon interaction has been calcu lated using Nal Tl SCINTILLATION DETECTORS published by Bicron manufacturer of the probe and well detectors This publication contains two sets of curves which were used in the calculation of detector efficiency Figure 14 Absorption Efficiency of Nal TI for various thicknesses of Nal and Figure 17 X Ray and Gamma Transmission Through Bicron Detector Windows for various window thicknesses 3 The ROI setting in the MCA determines the fraction of the MCA counts which are accumu lated Normally the ROI is adjusted around the photopeak however there can be several pho ton energies which are not included in this ROI because they may have a low emission intensity or their energies may cover a range too broad to be practical for background sub traction The photopeak contribution to the photon calculation in the Nal crystal was calcu lated using GAMMA RAY ABSORPTION COEFFICIENTS FOR ELEMENTS 1 THROUGH 100 DERIVED FROM THE THEORETICAL VALUES OF THE NATIONAL BUREAU OF STANDARDS pub lished by Los Alamos Scientific Laboratory of the University of California Los Alamos New Mexico Pub LA 2237 A 8 INTRODUCTION ATOMLAB WIPE TEST COUNTER Detector Efficiency D E h
111. must know the activity of your standard 3 Touch lt Activity gt and then enter the calibration activity using the keypad Touch lt Enter gt to record the new activity 4 Toggle between mCi or uCi by touching the appropriate value next to the activity entered NOTE To count a sample to determine the efficiency the activity should be less than 0 1 uCi NOTE See Appendix for details on creating standard to use for performing an efficiency 5 Touch lt Calibration Date Time gt The Enter Calibration Date screen is now displayed Touch to highlight any parameter to change Use the lt gt and lt W gt keys to scroll to the appropriate values Touch lt Enter gt to return to the Enter Activity For Efficiency Measurement screen 6 Touch lt Enter gt to return to the Detector Efficiency screen with the new isotope activity infor mation selected 4 12 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER 7 Touch lt Measure Efficiency gt to advance to the Detector Efficiency screen NOTE The count time for efficiency is the time set in Wipe Counter preferences for the lt Wipe Count Time gt The efficiency count time should be a minimum of 30 seconds when calculating efficiency NOTE The system will require a daily calibration and background count done each day to proceed 8 Place the efficiency source into the detector and touch lt Start gt The system will begin a 30 second countdown as it measures the isotop
112. netic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the AL 500 is used exceeds the applicable RF compliance levels above the AL 500 should be observed to verify normal operation 1f abnormal performance is observed additional measures may be necessary such as reorienting or relocating the AL 500 Over the frequency range 150 KHz to 80 MHz field strengths should be less than 3 V m Biodex Medical Systems Inc O 2014 F 3 Recommended Separation Distances Table 6 Recommended separation distances between portable and mobile RF communications equipment and the AL 500 The AL 500 is intended for use in the electromagnetic environment in which radiated RF disturbance are controlled The customer or the user ofthe AL 500 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communication equipment transmitters and the AL 500 as recommended below ac cording to the maximum output power ofthe communication equipment Rated maximum output Separation distance according to frequency of transmitter power of transmitter W 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2 5 GHz d 1 2VP d 12VP d 2 3VP 0 01 0 12 0 12 0 23 0 1 038 038 0 73 1 12 12 23 10 38 38 73 100 12 12 23 For transmitters rated at maximum output power not l
113. nfiguration gt The System Configuration screen is now displayed Touch lt Printer Settings gt The Printer Settings screen is now displayed Touch to highlight lt Network IP gt Enter the IP address and touch lt Done gt The IP address entered should now be displayed next to the Network IP button Touch lt OK gt to select the displayed IP address and return to the System Configuration screen or touch lt Cancel gt to return to the System Configuration screen without changing the current printer setting To Disable Printing 1 From the lt Home gt screen touch lt Utilities gt The Utilities screen is now displayed BR N Touch lt System Configuration gt System Configuration screen is now displayed Touch lt Printer Settings gt The Printer Settings screen is now displayed Touch to highlight lt Disable Printing gt Touch lt gt to select Disable Printing and return to the System Configuration screen or touch lt Cancel gt to return to the System Configuration screen without changing the current printer setting Biodex Medical Systems Inc 2014 7 7 Technologist List See Figure 7 7 Technologist List Choose a john jones Technologist On The List By Touching The Name tom jones jim dave gina 1 2 Add Remove Cancel Technologist Technologist Print Enter Figure 7 7 The Technologist List screen The Technologist List allow
114. nt to generate a printout of the system test results and or touch Home to advance to the Home Screen Biodex Medical Systems Inc O 2014 2 5 NOTE The Atomlab Wipe Test Counter be left continually If turned OFF power ON at least 10 minutes prior to operation EST 12 06 2008 Wipe Counter Quality Assurance Wipe Counter D Figure 2 4 The Home Page screen Maintenance General Cleaning Instructions As required wipe down the exterior of the unit using a soft rag slightly dampened with alcohol Use neutral detergent or isopropyl alcohol on a clean soft cloth to clean the touch panel surface Do not use any kind of chemical solvent acidic or alkali solution If the well gets contaminated use alcohol to clean it Quality Assurance Testing To properly maintain your Atomlab Wipe Test Counter the following quality assurance proce dures should be performed 1 During daily calibration the system automatically performs and displays the results for Full Width Half Max FWHM The Full Width Half Max results should be less than 10 NOTE If you have the system set up to perform Calibration Constancy you must use the same Cs 137 source in the same Geometry every time you are performing the Calibration Constancy Constancy takes the calibrations and tracks the variance from test to test 2 Perform the Chi Square test as per your facility requirements 3 Perform the Minimum Detectable Activity MDA wipe
115. of The Wipe Unit 15 Required Each Day Please Perform Calibration To Continue Calibration Constancy Figure 5 1 The Daily Calibration Constancy Needed screen Calibration Wipe Counter Full Spectrum Counts Total CPM Test Time secs Cnts gt 800 keV 800 Place the Cs 137 calibration rod source into the wipe chamber before pressing Start lt Figure 5 2 The Atomlab Wipe Test Counter Daily Calibration screen 5 2 PERFORMING A WIPE TEST ATOMLAB WIPE TEST COUNTER daily calibration must completed whenever the system power has been turned OFF or once every 24 hours If you have not performed a daily calibration the system will prompt you to do so when you try to perform a wipe test The Constancy function is a form of calibration that uses the same source and source orientation to provide repeatable counts for the calibration The system calculates the variation between daily cali bration counts to determine the variation in counts as the daily constancy calculation The counts should be within a certain variation to have an acceptable constancy level To perform a daily calibration when one has not been done within the last 24 hours 1 Touch Daily Calibration The Calibration Wipe Counter screen is displayed 2 Ensure the area is clear of contamination 3 Place the Cs 137 Rod Source into the wipe detector and touch lt Start gt The system will begin a 20
116. oltage test as described in Chapter 6 Wipe Counter Quality Assurance 5 4 PERFORMING A WIPE TEST ATOMLAB WIPE TEST COUNTER Background Measurement See Figure 5 3 Background Wipe Counter Full Spectrum Total 527 0 Test Time secs 60 cents 130 800 Technologist Wide Window 3 245 DPM John Smith Print Save Continue 57 82 133 909 a Co 60 255 DPM Figure 5 4 The Background Wipe Test Counter screen Like daily calibration a background measurement must be taken on a daily basis once every 24 hours or any time the system has been turned OFF If you have not performed a background check within these parameters the system will prompt you to do so before allowing a wipe test to proceed To perform a Background Measurement 1 Ensure the area is clear of background contamination and the detector is free of radioactive sources 2 At the Background Wipe Test Counter screen touch Start The system begins a minimum 30 second background measurement When complete the display will note that Background is completed and OK or that the background test has failed NOTE The background count time is set in the Wipe Counter Configuration Preferences screen Biodex Medical Systems Inc O 2014 5 5 3 If you need to enter or change the technologist touch lt Technologist gt Technologist List will be displayed To enter n
117. ouch Enter to advance to the Isotope List For Wipes screen Biodex Medical Systems Inc O 2014 4 3 Isotope List Wipes Isotope Settings Add Custom Isotope Remove Custom Isotope Edit Custom Isotope Figure 4 4 The Isotope List For Wipes screen Enter Password Ej EJ EJ E EJ EJ E E EJ C E3 Ej E Ez Er E EE D EE D Cancel Figure 4 5 The Enter Password screen 4 4 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER Isotope Settings See Figures 4 6 4 8 To Access The Isotope Settings Screen 1 From the Home screen select lt Utilities gt The Utilities screen is now displayed KR W Select lt Wipe Counter Configuration gt The Wipe Counter Configuration screen is now displayed Select Isotope List At the Enter Password screen key in your password 123 is the default Select Enter to advance to the Isotope List For Wipes screen Select Isotope Settings The Select Isotope Screen is now displayed with an alphabetical listing of isotopes Custom isotopes will display first if you have added any to your wipe test counter Select the desired isotope from the Isotope List by touching to highlight the desired Isotope and select Enter The Isotope Settings screen for the selected isotope is now displayed NOTE The Isotope List for Wipe Screen allows the user to select isotopes for wipe testing modify those isotopes and add remove
118. re error codes may be present Failures FAIL are considered serious enough to not use the chamber for any activity measure ments The chamber will automatically be taken offline by the system no longer selectable Cur rently there are no WARNING class errors for Wipe Counter detectors All 4 errors are FAIL class Chamber Error Code Descriptions Code 1 Firmware Checksum FAIL The chamber s firmware has a checksum pre calculated and stored and it s verified during chamber power up This error indicates the checksum calculated failed to match the checksum stored Continuing to operate the chamber would be at risk The chamber should be serviced Code 2 EEPROM Data Corrupt FAIL The chamber s stored data has a checksum pre calculated and stored and it s verified during chamber power up This error indicates the checksum calculated failed to match the checksum stored for the appropriate stored data Continuing to operate the chamber would be at risk The chamber should be serviced Code 3 Communications Error FAIL This error code is set when repeated attempts of the display unit to communicate with a chamber failed Once this error code is set the display unit will no longer attempt to communi cate with the chamber This could be caused from a bad chamber or a bad or disconnected cable between the chamber and the display unit Code 4 Could Not Set High Voltage FAIL the Wipe Counter detector could not restore the prev
119. reen The deleted calibration entry is deleted from the High Voltage Adjustment list 6 8 WIPE COUNTER QUALITY ASSURANCE ATOMLAB WIPE TEST COUNTER To Change Viewing Options If desired the High Voltage Adjustment list can be altered to show all high voltage adjustments today s high voltage adjustments high voltage adjustments prior to a specific date high volt age adjustments within a date range or high voltage adjustments from after a selected date 1 At the HV Adjustments screen select lt Option gt to advance to the HV Adjustments Data Op tions screen 2 Select lt Option gt to toggle through the HV viewing options To view All HV Adjustments or Today s HV Adjustments only toggle to the desired choice and select lt Enter gt The View HV Adjustments Data screen is now displayed with the appropriate list 3 Select the appropriate lt Date gt field and then enter the desired date or date range using the lt A gt or lt W gt icons Select lt Enter gt after completing each field to record the new date 4 Once the date fields are completed select lt Enter gt to return to the HV Adjustment Data screen with HV Adjustments for the selected date s now displayed 5 Select lt Print gt at any time to print the HV Adjustment Data screen Background See Figure 6 7 Background Wipe Counter Full Spectrum Counts Total CPM via ME gt 200 800 Wide
120. reen or lt Cancel gt to return to the System Configuration screen without adding a new name to the Technologist List To Remove A Technologist From The Technologist List 1 Touch to highlight the technologist to remove from the Technologist List If necessary use the A VW arrows to scroll up and down the Technologist List until the desired tech nologist is displayed 2 Touch lt Remove Technologist gt The highlighted technologist name is removed from the Technologist List 3 Touch lt Enter gt to record your selection and return to the System Configuration screen or lt Cancel gt to return to the System Configuration screen without deleting the highlighted tech nologist name To Print The Technologist List 1 At the Technologist List touch lt Print gt The Technologist List will print to the currently se lected printer Screen Saver mins The display screen can be set to stay on continuously or to turn OFF after 5 10 20 or 30 minute intervals Allowing the screen to turn off does not turn the system OFF it turns OFF only the display screen To Change Screen Saver Time 1 Touch the lt Screen Saver gt value to view a listing of settings 2 Touch the desired setting to select The system returns to the System Configuration screen with new selected setting NOTE If the screen turns OFF at any time touch the screen to reactivate the display LCD Brightness The display s LCD brig
121. rinter Port VGA Connector AUX SERIAL POR U L POI Serial Connector Figure 2 1 Atomlab Wipe Test Counter display cable connections 1 Rotate the detector unit to access the connector on the base of the detector 2 Insert one end of the RJ12 detector cable into the mating detector port 3 Rotate the detector unit to its normal position so that the detector jack is facing away from the work area 4 Rotate the display unit to access the connection ports located on the display back panel 5 Insert the free end of the detector cable into the mating display port 6 If you would like to connect a computer to the Atomlab Wipe Test Counter attach a Null Modem RS 232 cable with a female DB9 connector to the computer serial port on the display and then attach the opposite end of the cable to the appropriate port on the computer 7 Insert the round end of the power supply or power pack into the power port on the display unit 8 Insert the female end of the power cord into the black rectangular power pack The system is now ready for power up NOTE As long as the Atomlab Wipe Test Counter is plugged in and power turned ON the system will be functioning Depending on the Backlight Time setting the display screen will eventually turn OFF Simply touch the screen to reactivate NOTE If more than two USB ports are needed a USB expansion hub not included can be used to provide additional USB ports NOTE The display can sit on
122. rom 0 to 90 Choose a location for your Wipe Test Counter which is not frequently used by other personnel In general make sure your work area is clean dry and dust free Avoid locating your Atomlab Wipe Test Counter near a radioactive materials storage area The 5 inch lead shield around the detector shields it from changes in radiation levels from diagnos tic energy radionuclides Tc 99m however the high energy radiation from sources such as Cs 137 F 18 and Co 60 will easily penetrate the shield and change the background radiation level The lower the ambient radioactivity the less background activity for which the Atomlab Wipe Test Counter must compensate and the greater the accuracy and reliability of the read ings There is an additional 5 inch lead shield that can be added bringing the total shielding to one inch Positioning After you have chosen a suitable location for your Atomlab Wipe Test Counter and familiarized yourself with its components position the various units Make sure the Detector and Display Units have been positioned to where they will not have to be moved prior to connecting the cables Biodex Medical Systems Inc 2014 2 1 Environmental Operating Conditions Temperature 10 to 30 C Humidity 0 to 90 rh non condensing For optimum performance the Atomlab Wipe Test Counter should be operated in a normal laboratory environment where the temperature and humidity are maintained for normal human
123. s NOTE There are a maximum of 4 lines to the address You can put your phone number as part of the address 7 4 SYSTEM CONFIGURATION ATOMLAB WIPE TEST COUNTER Set Date Time See Figure 7 5 Set Date Time __sanuary 25 2012 09 40 03 Date Time Format w U S 2 Cancel Figure 7 5 The Set Date Time screen This option allows the user to enter or change the system clock and calendar select the desired time format and if in the USA region select standard or daylight savings time To Set Date Time 1 Touch Date Time The Enter password screen is displayed 2 Enter your password and touch Enter The Set Date Time screen is displayed 3 Touch to highlight the time date component to change and then use the A or VW keys to scroll to the desired setting For Time Zone choose from EST EDT CST CDT MST MDT PST PDT or blank 4 If you need to change the date time format touch the current country to access the country list Touch the desired country to select Not all countries are listed Select a country with the same time format you require 5 Touch Enter to return to System Configuration screen with the new time date or Cancel to exit without updating the date time entry Activity Units Accessed from the Dose Calibrator Configuration screen this option is used to change from the default Activity Units Curies To change to Becquerels touch the Activity Units valu
124. s a specific technologist to be associated with any Atomlab 500 QA test Technologists are listed in the order entered New technologists may be added to the list and technologists may also be removed Technologists can also be added to the Technologist List as part of the save procedure after performing any QA Test To Access The Technologist List 1 From the lt Home gt screen touch lt Utilities gt The Utilities screen is now displayed 2 Touch lt System Configuration gt The System Configuration screen is now displayed 3 Touch lt Technologist List gt The Technologist List is now displayed To Select A Technologist From The Technologist List 1 Touch to highlight the desired technologist on the Technologist List If necessary use the lt A gt and VW arrows to scroll and down the Technologist List until the desired technolo gist is displayed 2 Touch lt Enter gt to record your selection and return to the System Configuration screen or lt Cancel gt to return to the System Configuration screen without changing the selected tech nologist 7 8 SYSTEM CONFIGURATION ATOMLAB WIPE TEST COUNTER Add Technologist Technologist List 1 Touch lt Add Technologist gt and then enter the technologist name the Technologist field The Technologist name entered now appears at the bottom of the Technologist List 2 Touch lt Enter gt to record your selection and return to the System Configuration sc
125. s immediately deleted from the Location Isotopes window Select lt Enter gt to save the new wipe location The Wipe Location Setup screen is now dis played with the new isotope added to the Wipe Location Setup Location List Select lt Enter gt to return to the Wipe Counter Configuration screen NOTE The order in which you enter a wipe location is the order the location will appear in Wipe Location Setup List A suggestion would be to enter Daily Wipes and Packages then Weekly Wipes Sealed Source wipes are automatically placed below all wipes at the bottom of the list since they are infrequently wiped Biodex Medical Systems Inc 2014 4 19 Wide Window Isotope See Figure 4 19 Set Wide Window Isotope Isotope Symbol Cs 137 Regulatory Levels for Wipe Areas in DPM Restricted 20000 Unrestricted 2000 Isotope Efficiency 36 4 Detector Efficiency ED eo Cancel Factory Defaults Figure 4 19 The Set Wide Window Isotope screen The Wide Window Isotope screen allows the user to set up a wide window for the wide window wipe test Gp NOTE You must set up the wide window to perform wipe testing The user can select factory default settings or customize the settings To Access the Wide Window Isotope Screen and Set Wide Window Isotope Default settings 1 From the Wipe Test Counter Configuration screen select Wide Window Isotope 2 Enter your password and select Enter The Set Wide Window Isotop
126. se the same procedure to set the lt Unrestricted gt regulatory level NOTE The Package regulatory level is fixed and cannot be changed It is set for a 300 cm wipe with a 6600 DPM limit 3 Select lt W gt lt Yes gt or lt No gt next to Available For Wipes to change the available for wipes setting To have an isotope available for wipe testing set it to lt Yes gt NOTE Isotope efficiency must be established before an isotope can be made available for wipe Detector Efficiency Detector Efficiency Full Spectrum Counts Total Test Time secs gt 800 keV 0 keV 800 keV Isotope Assay 99 Efficiency Current Activity 81 56 Geometric t Activit Efficiency Efficiency e Cancel Measure Bkgrnd Print Figure 4 9 The Detector Efficiency screen Before counting a sample touch the Measure gt button to advance to the Background Count screen and perform a background count NOTE You must set an efficiency level for all isotopes that will be used for wipe testing The wide window efficiency must also be set before counting wipes 4 8 WIPE COUNTER UTILITIES ATOMLAB WIPE TEST COUNTER NOTE Isotope Efficiency The total efficiency for an isotope is made up of the geometric efficiency multiplied by the detector efficiency for a specific isotope
127. second countdown Select lt Abort gt to abort the calibration at any time NOTE It is recommended to use 0 1 uCi Cs 137 Rod Source Q NOTE When the calibration count is completed you must select a technologist to save the calibration 4 If you need to enter or change the technologist touch lt Technologist gt The Technologist List will be displayed To enter a new technologist Touch lt Add Technologist gt Use the keypad to enter the technologist name and touch lt Enter gt The new technologist name will be added to the Technologist list Touch to highlight the technologist name desired from the Technologist List and then touch lt Enter gt The system returns to the Calibration Wipe Test Counter screen with the new tech nologist selected Biodex Medical Systems Inc 2014 5 3 Constancy Counter Full Spectrum Counts Tetai cpm 96 363 0 Test Time secs 800 keV Wipe Calibration Completed Ok Technologist FWHM 7 7 should less than 10 Print Save Continue Figure 5 3 The Atomlab Wipe Test Counter Daily Calibration Results screen 5 Touch lt Print gt to print out a copy of the new calibration if desired 6 Touch lt Save Continue gt to record and save the daily calibration The display advances to the Background Wipe Test Counter screen NOTE If the system will not allow completion of daily calibration you may need to first perform high v
128. t without printing or Dis card to discard this wipe test without saving and return to the Wipe Test Counter screen NOTE To print the spectrum you must select Print before saving the wipe test Once the wipe test has been saved the spectrum will no longer be available NOTE After printing select Back and you can print again after selecting another isotope from the list 8 If you elected to save print this wipe test the Wipe Print Save screen should now be dis played 9 Select lt Technologist gt to change the technologist Print to generate an individual Wipe Test Report with spectrum or Save Data to save the results without printing and return to the Wipe Counter screen Wipe Counter Full Spectrum Total Test Time secs Net Cnts 800 keV Location Hot LAB Isotope Wide Window PASS Acceptable Level Net Activity 6 8 1 131 Net Tc 99m ROI 25 800 keV Trigger Levet 200 000 DPM TI 201 lt gt Discard Print Save Tc TI 201 Figure 5 6 The Wipe Counter screen with an acceptable wide window spectrum displayed You must print this screen before saving or the spectrum will be unavailable for printing 5 8 PERFORMING A WIPE TEST ATOMLAB WIPE TEST COUNTER Wipe Counter Location Hot LAB FAIL Wide Window and Isotopes 1 131 Tc 99m 201 201 Full Spectrum Net Cnts 35 951 Total Net CPM Test Time s
129. te 7 6 21 ChbSquate PREIS 6 24 lt He RR 6 29 7 SYSTEM CONFIGURATIQN teens 7 1 Detector locations iin E ERU 7 2 Numbers ces fees divs sods exeo FERRE dant ent en d tente see 7 3 EE 7 4 Times 7 5 ait ecg IDEM he 7 7 Technologist LIST 7 9 lt 5 vence sient lents e serere Serena ton de dense idea dt 7 9 PLGD BriQhtnes 7 9 TONG dite annee 7 9 8 SYSTEM MAINTENANCE 8 1 gt Data Management rice 8 2 mius E 8 7 Detector Stats 8 8 Detector Management ceeds ves 8 9 APPENDICES ISOTOPE EFFECIENCY CALCU ATT O N 1 B SPECIFICATIONS
130. ted from a detector the isotope s symbol dial values and ac tivity reading is reported continuously until turned off If there is more than 1 detector connected the detector number is appended on the end of each re port The report starts with a tilda character with the fields separated by space The activity reading always has 3 decimal digits in the report followed by the units Here is an example of a report Tc 99m 37 1 1404 767 For a Dose Calibrator Only Configures Data Streaming Mode for all or a specific detector where All 0 1 is the detector number Displays Detector Status of all or a specific detector If no parameter is given it will default to all detectors while 1 n is the detector number The data returned for a Dose Calibrator is as follows in this order Detector Id High Voltage Pressure Temperature Argon gas grams The data returned for a Wipe Test detector is as follows in this order Detector Id Current High Voltage Last Saved High Voltage Channel Cs 137 peak was detected at If there are multiple detectors connected an additional field is added the detector number Here is an example of the returned data for an Atomlab 500Plus 8 359 4 260 2 21 3 7 4 1 14 1188 0 1188 0 522 Display or Set the Date Time parameter is given the current Date Time is displayed in US 24hr format For setting the Date Time the display s current date time is updated and the Real Time clock
131. tely rinse it in saline at least ten times This will reduce the chance of contamination of the next source which will be a different isotope Record the activity in the test vial as 123 at the time T is recorded in step 2 123 subscript is meant to designate the isotope symbol which should be recorded i e Am 241 NOTE A tuberculin syringe is not suitable in this procedure Hamilton microliter syringe model 701 N has a capacity of 10 ul with 0 2 ul resolution and will provide the necessary precision Hamilton Co P O Box 10030 Reno Nevada 89520 Phone 800 648 5950 Enter the source in the wipe counter efficiency mode Isotope List portion of the Atomlab Wipe Test Counter Biodex Medical Systems Inc 2014 A 3 Efficiency Measurement 1 Make sure the Atomlab Wipe Test Counter has a current Cs 137 calibration 2 Then go to the Isotope Settings Use the arrow keys lt A gt VW to display the iso tope you wish to set the efficiency for Select the isotope to highlight and then select lt Enter gt Select lt Detector Efficiency gt 4 Set the Geometric Efficiency using lt Geometric Efficiency gt near the lower right of the dis play Once set select lt Enter gt 5 Select Isotope Activity Enter the source calibration time and activity If you press Enter button the unit displays the calculated decayed activity of the standard you created Near the bottom of
132. the display screen select Measure Efficiency The display will direct you to place the efficiency source into the well and select Start The system will perform an automatic 30 second minimum count on your prepared standard The count time is based on the setting for wipe counting time The system displays the spectrum as it counts NOTE The Atomlab Wipe Test Counter will automatically record and calculate for you We recommend at least a 60 second count time 8 The new calculated efficiency is shown in the Set Edit Efficiency window You can print the detector efficiency for your records if desired NOTE Total efficiency is a combination of the geometric and detector efficiencies 10 Select Back to return to the Isotope Settings screen 5 B counts 100 100 ny 87000 gosjuci 2 OR 5 counts 100 sec 100 current activity displayed 4 APPENDIX ATOMLAB WIPE TEST COUNTER is standard counts B is Background ROI counts 15 the activity determined in step 7 under Source Preparation for isotope Xx 123 with units of microcuries Exponent of 2 This is a decay correction For short lived isotopes such as Tc 99m it is important For long lived isotopes such as I 125 it may not be important unless the source is saved for future effi ciency checks 1 2 is the half life of isotope Xx 123 in units of H days etc T and t are respec
133. the wipe locations and efficiencies for each isotope to be wiped This information must be entered before the system will allow a wipe to proceed and is presented in Chapter 4 Wipe Test Counter Configuration Setup 3 2 GETTING STARTED ATOMLAB WIPE TEST COUNTER 4 Wipe Counter Utilities Utilities System Configuration Wipe Counter Configuration System Maintenance lt Figure 4 1 Utilities screen Wipe Test Utilities The Wipe Counter Utilities Program provides access to the System Configuration Wipe Counter Configuration and System Maintenance functions System Configuration applications are detailed in Chapter 7 and System Maintenance is covered in Chapter 8 Wipe Counter Configuration is explained on page 4 2 Wipe Counter Configuration See Figures 4 1 and 4 2 The Wipe Utilities Program allows the technologist or physicist to configure the Atomlab Wipe Test Counter for maximum efficiency It is suggested that you review and enter the appropriate information into each configuration setup category before attempting an initial wipe test Use the Wipe Utilities Program to access the Wipe Counter Configuration screen and then enter or edit the various parameters for wipe testing including Isotope List Wipe Location Setup Wide Window Isotope Preferences Constancy Setup Biodex Medical Systems Inc 2014 4 1 access the Utilities menu touch lt Utilities gt
134. ting efficiency If not using the Cs 137 factory defaults select Lower Limit and enter the new ROI Lower Level value Select Enter to save and return to the Set Wide Window Isotope screen Select Upper Limit and enter the new ROI Upper Level value Select Enter to save and return to the Set Wide Window Isotope screen Select Restricted and enter the new Restricted Level value in DPM Select Enter to save and return to the Set Wide Window Isotope screen Select Unrestricted and enter the new Unrestricted Level value Select Enter to save and return to the Set Wide Window Isotope screen Perform the Detector Efficiency by entering the Isotope Activity and then Measure Efficiency NOTE There are no factory default values for wide windows on the Set Edit Detector Effi ciency screen You can look up values in Appendix A and enter them in the Set Edit screen Biodex Medical Systems Inc O 2014 4 21 Preferences See Figure 4 20 Preferences Background Count Time 30 Seconds Wipe Count Time 30 Seconds Daily Test Method Constancy w Cal Report Wipe Activity Units Report Wipe Sealed Source Units In of Significant Digits for uCi KBq 4 lt Factory Defaults Figure 4 20 The Preferences screen allows uses to set background measurement time and wipe count time along with units for wipe report activity s
135. tions document Before using this device read the entire operation manual carefully Failure to read the manual may result in user error or inaccurate data Be sure to save all provided docu ments for future reference Make certain to understand all warning and caution labels as explained in the Before Proceeding section of this manual This product should be used only as specified in this operation manual This medical electrical equipment required special precautions regarding EMC an needs to be installed and placed into service according to EMC information provided in this manual For electromagnetic compliance definition refer to table of contents For cleaning and maintenance instructions refer to table of contents The wipe test setup functions need to be performed prior to wipe testing This includes setting efficiencies with the isotopes you will use and setting up wipe locations CAUTION Operation for 100 240 VAC 50 60 Hz ATTENTION Op ration pour 100 240 VAC 50 60 Hz WARNING Only use approved power supplies AVERTISSEMENT Utilisez Seulement des alimentations lectriques approuv es CAUTION To avoid risk of electric shock this equipment must only be connected to supply mains with protective earth ATTENTION Pour viter le risque de choc lectrique cet quipement doit uniquement tre connect un approvisionnement conduites avec la terre protectrice Biodex Medical Systems Inc 2014 IX LI i
136. tions using a calculator without the e function the current activity of the radioisotope 2 Look up half life of the radioisotope Note the time units 3 Calculate the time t in the same units as Tia that will elapse between when the activity measurement was made and when you wish to know what the decayed activity of your radioisotope will be 4 Calculate t in terms of N R where is integer 0 1 2 etc is less than 1 5 Look up N in Table 1 6 Look up X R in the Decay Factor Chart 7 Calculate x x X Sample Calculation The following is a calculation of the decayed activity of Tc 99m with an initial activity of 43 mCi after 32 5 hours 1 43 2 For Tc 99m 6 007 h 3 6 32 5 h 4 t Tiz 32 5 h 6 007 5 410 5 R 0 410 5 From Table 1 X 5 0 03125 6 From the Decay Factor Chart the 41 row and the 000 column X 410 75262 7 Ag A x Xn N x X 43 x 0 03125 x 75262 1 01 mCi Biodex Medical Systems Inc O 2014 D 3 2 X N 22 1 0 5 0 25 0 125 0 0625 0 03125 0 01563 0 007813 0 003906 0 001953 0 0 000977 Table 1 0 4 APPENDIX D ATOMLAB WIPE TEST COUNTER 000 00 1 00000 01 99309 02 98623 03 97942 04 97265 05 96594 06 95926 07 95264 08 94606 09 93952 10 93303
137. tively the time of source measurement in the dose calibrator and the same of counting the source in the well detector Both should have the same units as 2 For example If 08 31 h and t 15 49 h then T t 7 300 h If T1 2 3 261 days for Ga 67 then T t should be converted to days 0 3041 days In this case the decay result would be 0 937 11 Calculate D E from the composite D E G E found in step 10 above and from the calculated value of G E found earlier in the discussion on GEOMETRIC EFFICIENCY The following equation defines the calculation Ds a 100 NOTE The two terms D E G E and G E are both calculated as percents in the earlier expres sions and the above result preserves D E as a percentage Biodex Medical Systems Inc 2014 A 5 Example Calculation Determine the detector efficiency of Am 241 in a well detector with an opening of 0 625 inches and the source located in the well at 1 inch below the surface Geometric Efficiency for Well 1 0 0 625 inches X 1 00 inch G E 97 7 see earlier example Detector Efficiency for Am 241 A 0 095 T 8 15 84 1 2 432 2 5 1 93 date counted well 241 was programmed for of 12 and ROI of 50 to 69 keV 100 second counts resulted in the following S 99 403 B 83 Now calculate the individual parts of the equation for D E Count rate 5 8 100 5 993 cps Disintegration r
138. topes have a default value 3 Touch Enter to return to the Detector Efficiency screen with the factory default for the selected isotope now displayed Manually Entering Detector Efficiency Set Edit Isotope Efficiency Co 57 Factory Defaults c Cancel Enter Figure 4 11 The Set Edit Efficiencies screen allows the user to enter or delete efficiencies or to use an analytically determined detector efficiency 1 At the Isotope Settings screen touch Detector Efficiency The Detector Efficiency screen is now displayed 2 Touch lt Set Edit Efficiency Set Edit Isotope Efficiency screen is now displayed 3 Using the keypad enter the desired efficiencies 4 Touch Enter and repeat step 3 NOTE To reset the efficiency to zero on the Set Edit Efficiency screen type O and then press Enter Biodex Medical Systems Inc O 2014 4 11 To Count and Set Detector Efficiency of a Known Standard See Figure 4 12 and 4 13 Enter Activity For Efficiency Measurement Isotope 57 0 1767 pci 9 Calibration Date Time 10 38 11 26 2007 D Cancel Figure 4 12 The Enter Activity For Measurement screen 1 At the Isotope Settings screen touch lt Detector Efficiency gt The Detector Efficiency screen is now displayed 2 Touch Isotope Activity The Enter Activity For Efficiency Measurement screen is now displayed kp NOTE To perform a detector efficiency count you
139. tup screen From this screen you can lt Add gt lt Edit gt or lt Delete gt a wipe location To Add A Wipe Location 1 At the Wipe Location Setup screen select lt Add gt The Add a Wipe Location screen is now displayed NOTE The system automatically repeats the isotopes added to the previous wipe location cre ated This eliminates the need to add each isotope when creating a new location You can add or remove isotopes from any wipe location you are adding This does not affect other locations Select lt Location gt and enter the location description via the keypad Select lt Enter gt to return to the Add a Wipe Location screen The new location is now displayed Select lt Type gt to display the Type menu Select the appropriate Wipe Type setting Restricted Unrestricted Sealed Source or Package Select lt Trigger Level gt value to display the Trigger Level menu Select the appropriate Trigger Level This is a percentage of the regulatory value for each isotope To Add Location Isotopes to the new wipe location select lt Add gt The Select Isotope List is now displayed Highlight the isotope to be added and select lt Enter gt The Add a Wipe Loca tion screen is now displayed with the new isotope listed in the Location Isotopes window Add each isotope one at a time To Delete an isotope from the Location Isotopes window highlight the isotope to delete and select lt Delete gt The isotope i
140. uch lt Detector Locations gt on the System Configuration screen The Enter Password screen is now displayed 2 Enter your password and touch lt Enter gt The Detector Locations List is displayed 3 Touch the detector to label The Enter Location screen is displayed 4 Key in the detector location and touch lt Enter gt to return to the Detector Locations screen If de sired repeat the process for any other detector Touching lt More Detectors gt will advance you to the next page of listed detectors if there are more detectors connected than listed on the screen The lt More Detectors gt prompt will not show unless enough detectors are connected NOTE Each detector connected to a display must have a different ID number ID number can be changed see Detector Management Touch lt Print gt to generate a printout of the detector location Touch lt Enter gt to record the detector location and return to the System Configuration screen Touch Cancel to return to the System Configuration screen without recording a new detec tor location 7 2 SYSTEM CONFIGURATION ATOMLAB WIPE TEST COUNTER Serial Numbers See Figure 7 3 Serial Numbers Biodex Model 086 331 Display System SN 1008002p Detector Type Serial Number 1 Wipe Counter 8070005 Figure 7 3 The Serial Numbers screen This option displays a list of all entered serial numbers for the display and detectors The detec tor serial numbers are recorded
141. updated The date time parameter must be in standard US 24hr format as follows mm dd yyyy hh mm ss Display or turn local character echo On 1 or Off 0 Local character echo is On by default If using data streaming this should be turned Off to avoid mangling the streaming reports Same as the command displays all available commands with a brief description Biodex Medical Systems Inc 2014 E 3 ISO PRTSCR PWD 1 0 QADATA REQDATA E 4 APPENDIX E For a Dose Calibrator Only Displays or sets the Isotope assigned to a detector For a single detector system the 2nd parameter 15 not required The 151 parameter is an isotope index number 1 to 88 for the default isotopes 89 to 113 for custom iso topes Refer to the separate Isotope Index document at the end of this chap ter for details The 2nd parameter is the detector number If no parameter is given the current assigned isotope for each detector is displayed Use this command with great if the display is in use doing QA test this com mand can corrupt the current running test Example of a command ISO 43 sets isotope Tc 99m for detector 2 The Following errors may be returned ERROR Invalid Isotope Index number greater than 90 was specified ERROR Measure Screen Not Active the Measure screen must be on view for this command to work When this command is received the newly selected isotope will be displayed
142. urant de contribution de 100 240 volts Le d tecteur augmente le courant pour augmenter le haut voltage exig de faire marcher le d tecteur N ouvrez jamais le d tecteur Le d tecteur devrait seulement tre ouvert par le personnel exp riment qualifi Les Atomlab Essuient le Comptoir D essai est concu l utilisation avec les imprimantes sp cifiques Contactez Biodex pour les imprimantes compatibles ROIs programm s not s dans l Appendice D sont durement cod s et ne peuvent pas tre chang s par l utilisateur Partez les Atomlab Essuient le pouvoir de Comptoir d preuve SUR pour que le d tecteur reste ferme et peut vite fournir des mesures exactes VI ATOMLAB WIPE TEST COUNTER gt WARNING The unit contains lead shielding the detector from background radiation Additional lead shielding can be used outside the detector to further reduce back ground The lead should be disposed of in accordance with local and national regula tions when disposing of the unit AVERTISSEMENT l unit contient l avance pour prot ger le d tecteur du rayonnement ambiant Le premier fait de prot ger suppl mentaire peut tre utilis l ext rieur du d tecteur pour davantage r duire le fond L avance devrait tre dispos e conform ment aux r glements locaux et nationaux en se d barrassant de l unit sealed source should be used for calibration or Constancy of the system each day the system will be used gt
143. ve expression can be rewritten as follows X where X X N x X integer number of half lives time t and decimal remainder after dividing t by To verify this remember three important rela tions regarding exponentials 8 eA x eB e A and e Biodex Medical Systems Inc 2014 D 7 Nowt T N R where N is an integer and R is the remainder less than 1 For t 32 5 hours and 6 007 hours t Tjj 32 5 6 007 5 410 so that N 5 and R 0 410 Now to simplify calculations we can write the above relation as Af e eh O T QN R ON x OR A X Xn x X N en QN ein N 2N This expression is used to generate the values in Table 1 X en QR This expression is used to generate the Decay Factor Chart for values of R from 0 001 to 0 999 for the above example X 5 0 03125 X 0 410 0 75262 Ar X A Xn x X R A 0 03125 x 0 75262 43 mCi A 1 01 D 8 APPENDIX D ATOMLAB WIPE TEST COUNTER Appendix Atomlab Wipe Test Counter Serial Communications Interface The Atomlab Wipe Test Counter has the ability to be controlled and monitored with limitations via the DB 9 RS 232 serial port Connection Details Cable RS 232 female female Null Modem for connection to a standard PC COM Port Port Settings 19 2 KBAUD no parity 1 stop Command Format

Atomlab Wipe Test Counter Operation and Service Manual

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