RAM DA-2000
Contents
1. Calibration Situs Data loaded succesfully C Amp DRM Calibration 2000 31 12 1999 23 53 00 000 mR h OK GM42 2000 31 12 1999 23 59 00 0 00 mR h OK GM42 2000 31 12 1999 23 59 00 0 00 mR h OK GM42 2000 31 12 1999 23 59 00 0 00 mR h OK GM42 2000 31 12 1999 23 59 00 000 mR h OK GM42 2000 31 12 1999 23 59 00 000 mR h OK GM42 2000 31 12 1999 23 59 00 000 mR h OK GM42 2000 31 12 1999 23 59 00 0 00 _OK GM42 GM42 2000 31 12 1999 23 59 00 0 01 RAM DA 2000 Operating amp Maintenance Manual Page 29 5 2 On Line a Press Setting On line Interval to set the interval time to download the meter s data w Set Real time iof x Min Sec 24 b Select Data Start Online to download meter s data c Select Data Stop Online to stop download the meter s data RMY Rotem Meter View lol xl Data Setting Utility Help hz m e amp Save Detecor nM42 7 C Ram R 200 B mR Status ok 16 10 2008 17 05 03 C Amp DRM Calibration Status Detector 2000 31 12 1999 23 59 00 O01 mach GM42 2000 16 10 2008 17 04 43 001 GM42 2000 16 10 2008 17 04 48 001 mach GM42 2000 16 10 2008 17 04 53 001 mach GM42 2000 16 10 2008 17 04 58 0 01 OK GM42 2000 16 10 2008 17 05 03 0 01 OK i Page 30 RAM DA 2000 Operating amp Maintenance Manual General Functions a Setting Parameters xj Enable set thre2. digital readings and is essential to avoid readings fluctuations On the other hand it causes long response time Fast response function is activated when the radiation field varies more than six times the standard variation of the previous reading In this case the meter response time is shorter than 2 seconds In conclusion the conbination of the both above functions enables fast response time and stability of the meter s digital readings In addition the meter s readings can be reset by a double press on the COUNT push button RAM DA 2000 Operating amp Maintenance Manual Page 11 3 5 Units cps counts per second cpm counts per minute Sv h R h dose rate Sv or R cumulative dose since detector connection In DOSE mode to reset and restart accumulation press COUNT push button twice Dose accumulation is not performed during counts mode Detector replace or turning the system off on resets the accumulated dose Example of DOSE mode reading DETECTOR b 100 sec counts scaler for counting within a period of 100 seconds To start the count press COUNT push button The bargraph shows the elapsed time each segment flashes within the five seconds 100 sec equals 20 segments After the five seconds the segment is displayed permanently Counting and time display will stop automatically after 100 seconds or if reading exceeds 9999 The reading will be frozen To stop and freeze the count and th
3. ea 27 3 0 sCo mmunicalon HardWare eyo o RR ios Ru me db M UR 28 Cena diia ett ntu indes 28 Appendix 1 RMV SoftWare iiaee 29 Appendix 2 RAM DA 2000 List of Electronic Drawings eee 32 Page 2 RAM DA 2000 Operating amp Maintenance Manual 1 1 1 RAM DA 2000 Systems 1 2 RAM DA 2000 is the new generation of the RAM DA series The RAM DA 2000 preserves all the functions existing in the RAM DA meters including external detectors The RAM DA 2000 new features are Communication to PC calendar clock non volatile memory built in bar code laser scanner optional SMARTS Survey Mapping Automatic Radiation Tracking System and RMV Rotem Meter View compatibility RAM DA 2000 series includes four kinds of meters which are basically the same instruments but differ only in the internal detector field measurement ranges RAM DA 3 2000 0 5 uSv h to 1 Sv h 50 uR h to 100 RAM DA 2 2000 0 5 uSv h to 10 mSv h 50 uR h to 1 RAM DA 1 2000 50 uSv h to 1 Sv h 5 mR h to 100 R h RAM DA 2000 Without internal detector This manual refers to the RAM DA 3 2000 meter but it applies to all the RAM DA 2000 series of meters The RAM DA 2000 Meter The RAM DA 2000 meter is designed to measure highly reliable alpha beta gamma and X ray radiation measuremen
4. identification of the survey site Page 6 RAM DA 2000 Operating amp Maintenance Manual 2 Technical Data 2 1 Meter Display Operating push buttons Measuring Units Power Source Memory Communication Laser Scanner Temperature Range Humidity Range LCD readout showing a 20 segments auto ranging analog scaled bargraph b Four digits for accurate and easy readout c Two digits for type of connected detector d Operating conditions including Measuring units Freeze dose or count modes Detector failure Threshold exceeding Display illumination on off Audible indicator on off Low battery ON OFF power UNITS units selector COUNT start stop SPEAKER on off barcode reader LIGHT on off store Cps cpm counts Sv h Sv R h R Other units upon request The measuring unit is automatically set for each type of detector but can be also changed manually Three 1 5 V C type cells 150 hours minimum of continuous operation with alkaline batteries excluding display lighting using the internal detector with external detectors 100 hours automatic battery check under full load option three rechargeable C type cells and 4 5 V DC adapter charger NV RAM stores measurement records 347 records Optional 1415 records E EPROM stores meter s parameters Serial communication port RS 232 Class IL maximum power 1 0 mW for bar code Operation 10 C to 50 15 F to 122 F St
5. unscheduled offset adjustment ON OFF 5 S d 5 Low Range High Range UNITS UNITS COUNT COUNT usvan 7 Low Range High Range Selection of mR h or uS h units this option will be available in a few months The radiation field can be measured in mR h or uS h units A long press during 10 seconds on the UNITS push button selects between the units When the meter is turned off the selected unit is saved in the internal memory Page 14 RAM DA 2000 Operating amp Maintenance Manual 3 7 General Functions a Readout Values are expressed in 3 digital digits and a segment m micro m mili K Kilo or M Mega is added to the display units as required For example 128 0 000128 Sv h 45 8 mSv h 0 0458 Sv h 1 02 K cps 1 020 cps 1 30 M cpm 1 300 000 cpm Note In counts mode 4 digit values are used For example 1258 counts Two flashing arrows on the display bottom indicate that the reading is below the measuring range b Trend by Bargraph The measured radiation trend is shown on the bargraph The bargraph is autoranging and shows the actual reading value The m m K M segments of the digital reading apply for the bargraph as well While the meter is in counts mode the bargraph shows the elapsed time c A Beep for Each Press Each press on any pushbutton is acknowledged by a short beep Press the push buttons long enough to notice the beep sounds d
6. 7 RAM DA 2000 Operating amp Maintenance Manual Page 13 42 same as GM 40 Identification No 8 IC 10 After the meter is turned on the program performs an offset adjust to the probe for a period of 25 seconds If the field intensity is less than 100 uSv h this adjustment is repeated automatically for 10 seconds at 5 minutes intervals Pressing COUNT and SPEAKER push buttons simultaneously initiates an unscheduled offset adjusment Default unit is Sv h mR h Set threshold in Sv h R h units Identification No 1 x uSv h gt Sv mSv h P IC 10X After the meter is turned on the program performs an offset adjust to the probe for a period of 25 seconds Default unit is uSv mR low range Identification No 10 Two manually changing ranges of dose rates Low 1 uSv h to 2 5 mSv h 0 1 mR h to 250 mR h High 1 mSv h to 250 mSv h 100 mR h to 25 R h To change from one range to another press the UNITS push button The OFLO overflow LCDs in the low range means change to high range In the high range mode the nu Sv mR unit blinks on the display To change from dose uSv or mR to dose rate uSv h or mR h press UNITS and COUNT push buttons simultaneously To reset the accumulated dose usually performed between two measurements press COUNT push button twice To freeze the highest reading dose rate only see section 3 74 Pressing COUNT and SPEAKER push buttons simultaneously initiate an
7. Description 4 1 Assembly Description The RAM DA 2000 meter consists of the following items Plastic case upper and lower parts Meter handle Battery compartment CPU card Display module amp display drivers card Internal detector and control switches card Cards interconnection cables po mon External connectors mi o Operating push buttons 4 2 Block Diagram Display Card Internal Detector LCD Push buttons Back light Back light power supply driver Internal detector High Voltage HV amp overflow testing Batteries CPU Card Micro controller EPROM PROM NV RAM Speaker Decoder Watch dog Latch I O Relay RS 232 Main power supply Bar code reader Bar code reader power supply External detector Communication Relay contact External connectors Page 22 RAM DA 2000 Operating amp Maintenance Manual 4 3 4 3 1 4 3 2 4 3 3 Circuits CPU Card PC 1898 DRW 12480 40 00 2 sheets The CPU card consists of the following IC s and functions micro controller IS 80c32 U18 latch amp EPROM 74HC373 U12 and 27C512 U13 watch dog and reset MAX 1232 U19 E PROM and memory X24C04 U6 and Dalas 1234 U10 decoder for chip address selection 74HC 138 U11 selecting between external and internal detector 74HC132 U7 audio indication unit piezo electric audio element S1 oscillator 3KH 7555 U8 2 DC supply unit one 5V main power s
8. Freeze To freeze and show the highest reading press the COUNT push button while the meter is in the RATE mode not in counts or dose mode The freeze mode enables the operator to capture the highest reading without watching the display continuously To cancel the freeze mode press the COUNT push button again The freeze mode is indicated by displaying the FREZZE segment as shown below 0 500 1000 H n DETECTOR Li e FREEZE c e Reading Reset To reset the reading in rate or dose mode press COUNT push button twice briefly RAM DA 2000 Operating amp Maintenance Manual Page 15 3 8 f Display Illumination Press the LIGHT push button for two seconds to turn on the display back illumination While the light is on the sign 504 will be shown The light turns off automatically after 2 minutes or by pressing the LIGHT push button again DETECTOR i g Audible Indication When the meter is turned on the audible indication is activated so that the rate and trend of radiation are noticed The sign appears on the display To turn the audible indication off press the SPEAKER push button for two seconds to reactivate it press SPEAKER push button again Muting the audible indicator does not hold it from announcing in case of alarm External Detectors To use an external detector it must be connected to the meter before turning it on When the meter is turned on the meter identifies
9. RAM DA 2000 Operating amp Maintenance Manual Version 2 2 September 2008 Document PRIR44D9 DOC Rotem Industries Ltd Health Physics Instrumentation Dept Rotem Industrial Park Rotem Industries Ltd ni uyn nnn Mishor Yamin D N Arava 86800 Israel www rotemi co il Tel 972 8 656 4780 1 Fax 972 8 657 3252 Mail sales rotemi co il ann amp npa nnn mxo 86800 NADY 3 7 D NWN 08 657 3252 0 08 656 4780 1 20 sales rotemi co il 2 NIT Version Revision Log RAM DA 2000 Operating amp Maintenance Manual Date Revised Comments Pages Fourth edition September 1989 RAM DA 3 Operation Manual document BN88 050 October 1996 RAM DA 3 amp RAM DA 3 2000 Operating Manual document PWIR11D5 DOC February 2000 All pages RAM DA 2000 Operating amp Maintenance Manual Doc PRIRA4D9 DOC August 2003 1 2 Updated version address and this log 32 end Appendix 2 Electronic drawings versions updated on file PRIR44D9DRW 2 1 DOC September 2008 RMV software Model This manual is not to be considered a public document and is not available for general distribution Its distribution is limited to company employees and customer consultants of RAM series radiation meters and detectors for the sole purpose of the RAM system operation The contents of this manual may not be disclosed to other persons in any form or reproduced wholly or partially
10. e battery compartment cover Use three size C alkaline batteries or three C type NiCd rechargeable batteries Be sure to put them in the right polarity If NiCd batteries are used an external 4 5V DC line adaptor can be connected to the DC connector for charging the batteries To replace the batteries from alkaline to NiCd or vise versa the jumper in the CPU card must be set in an authorized lab in the following way For alkaline batteries set jumpers E8 1 4 2 3 For NiCd batteries set jumpers E8 1 2 3 4 Notes External DC adaptor charger must not exceed 5V DC Do not connect the line adaptor to the DC connector in case of using alkaline batteries when the unit is set to work with NiCd batteries Figure 3 1 Batteries Compartment Page 20 RAM DA 2000 Operating amp Maintenance Manual 3 14 Push buttons Functions Freeze first press COUNT uSv h Exit freeze and reset momentary second press COUNT readings units cps cpm mR h uSv h units counts Operate bar code reader short bar code reader available Mute audible indication rate short SPEAKER bar code reader is not available Special functions offset or calibration simultaneously COUNT SPEAKER set threshold value increase most significant short or continuous COUNT threshold value increase least significant short or continuous SPEAKER threshold value RAM DA 2000 Operating amp Maintenance Manual Page 21 4 Electronic
11. e clock simultaneously during the 100 second period press COUNT push button again To display the elapsed time press COUNT push button again To reset the counter and the time and to start a new count press COUNT push button once more Example of 100 sec counts reading 5692 1000 sec counts same as 100 sec counts but stops automatically after 1000 seconds Each segment on the bargraph indicates 50 seconds 1000 sec equals 20 segments Page 12 RAM DA 2000 Operating amp Maintenance Manual 3 6 Changing Units Each one of the detectors has its own default measuring unit To change the unit press UNITS push button The units selected depend on the connected detector type Internal Detector Default unit is Sv h R h Set threshold in Sv h R h units Identification No 0 Sv h 100 seccnt 1000 sec ent ud GM 10 Default unit is cps Set threshold in cps units Identification No 5 cps cpm gt 100seccnt 1000 sec cnt 4 PA 100 The same as GM 10 Identification No 2 PM 10 The same as GM 10 Identification No 3 PM 11 The same as GM 10 Identification No 4 PM same as GM 10 Identification No 12 GM 40 Default unit is Sv h R h Set threshold in Sv h R h units Identification No 6 Z Sv h Sv cps gt cpm gt 100 sec cnt gt 1000 sec cnt 41 40 Identification No
12. ectors in the RAM DA Detectors Service Manual The ADJUST segment is displayed 0 0 500 1 000 ADJUST SET ri U lc DETECTOR a c B RAM DA 2000 Operating amp Maintenance Manual Page 17 Offset Adjustment IC 10 only In this mode the OFFSET ADJUST segments are displayed and a 10 second automatic offset adjustment is performed If the UNITS push button is not pressed during this period the program will automatically go out of Special Functions and return to its regular default measurements 0 50 100 OFFSET ADJUST DETECTOR To enter SET THRESHOLD mode press the the UNITS push button again within the 10 second period for IC 10 only 3 11 2 Set Threshold The RAM DA 2000 is supplied from the company with a default threshold value set according to maximum radiation range In order to set threshold press SPEAKER COUNT push buttons simultaneously to enter the Special Function mode The ADJUST segment is displayed for the first Special Function which is CALIBRATION To enter the SET THRESHOLD mode press UNITS push button the SET ALARM segment will be displayed with the default threshold value Press SPEAKER COUNT push buttons simultaneously to zero the preset threshold Use SPEAKER and COUNT push buttons to adjust fine and coarse threshold levels respectively When the desired value is displayed press UNITS push button The system will go out of special functions return to its regular measure
13. ernal Detectors E A N NE 17 3 9 Laser Bar Code Reader optional ees Ives as uud shes ve sadvsqie o 17 3 10 Data Storage in the Internal MGIIOEY s doe Retrato aS peek Led 18 3 11 Special Functions seein tette ter eura rt HU HAE UU EAR E HERES NAR ESSE ORTU O TES 18 BN niis PP Moro C KC er 19 5 13 Replacing B atteriesco os dst estote utet od dde sat laste Balch e ues 21 Sla Push D ONS PulcHoOBS use oos e cov saz tess tens DO Eu S eR E I inta scum me da Rue 22 4 Blectronie DescEIpEOL seeded Oe ERR EEUU Id Ii eU OO ree Ud 23 4 1 Assembly DesccipElofio oes Goes ure reve cicer ete Fee ud Sonate ses des fue esie pesa Re cH ESES 23 4 lock csset Io IU pea ibus M ure a 23 43 T 24 4 4 Jumpers and Connectors 25 5 Calibration Instructions QR SS REPERI OM NEP S RENE EHE QI Mae 26 5 1 Internal Detector amp Control Switches Card 26 3 2 Calibration Linearity Checks ien ene ette 26 5 3 Checking Geiger Muller Tubes 26 5 4 Software Overflow e e ast ceu dt per Leu 27 5 5 Calibration and Linearity Check List nte eaae RARUS Se ORTUS Pene ex
14. etection GM 40 GM detector ZP1301 for high range gamma fields 250 uSv h to 10 Sv h GM 41 GM detector ZP1313 for medium range gamma fields 50 uSv h to 1 Sv h GM 42 GM detector ZP1201 for low range gamma fields 0 5 uSv h to 10 mSv h Detector type GM 40 GM 41 GM 42 The detector identification number is displayed on the lower left corner of the meter display RAM DA 2000 Operating amp Maintenance Manual Page 5 1 4 RAM DA 2000 Special Advantages Internal Detector A detector with two energy compensated GM tubes for wide range gamma detection enables gamma radiation monitoring without external detectors Interchangeable Detectors External compatible detectors can be connected to the RAM DA 2000 meter as described in section 1 3 The meter automatically identifies the connected detector type and its calibration factor and adjusts the meter readings and measuring units accordingly Use of Ion Chamber A unique feature is achieved by using the Ion chamber detector IC 10 with the microprocessor based RAM system This is possible since the signal processing in the IC 10 is done in the detector itself An accurate voltage to frequency converter circuit provides the interface between the ion chamber and the microprocessor The Ion chamber has half a liter air vented capacity with tissue equivalent walls Easy to Operate Sophisticated software large display and only five push buttons Convenient fo
15. fety and performance may be affected Starting up Connect the desired detector to the meter If no external detector is connected the internal detector will be activated Press the ON OFF push button to the ON position When the meter is turned on it carries out a short self test procedure indicated by displaying all the segments on the display and emitting two beeps for a short period Following the test the meter is ready for use 0 0 500 1 000 OFFSET ADJUST counts SET M cpm ALARM Keps BATTERY EANN Ri DETECTOR Gy h dn min Sec FREEZE c When the self test and adjustment program is completed the following segments are displayed example 0 0 500 1 000 ri Actual Reading DETECTOR E L4 Measuring unit C Audible sign E I D of connected detector RAM DA 2000 Operating amp Maintenance Manual Page 9 3 3 3 3 3 3 2 Automatic Range Switching RAM DA 3 2000 Automatic internal geigers switching The internal detector includes two geigers ZP1201 low range geiger ZP 1313 high range geiger In a field of 0 01 mR h to 300 mR h both Geigers are connected and the radiation field is measured by the low range Geiger In case the radiation field is higher than 300 mR h the low range Geiger is disconnected and the radiation field is measured by the high range Geiger Switching between low and high range Geigers is done at 300 mR
16. ge Use a Cs source of about 5 Ci b Field increase Locate the meter at a distance where the field intensity is 1 mSv h Reduce slowly the distance between the meter and the source till the GM RAM DA 2000 Operating amp Maintenance Manual Page 25 tubes interchange occurs which is indicated by three successive beeps Write down the reading in the results table Calculate the error 90 and write it down too c Field decrease Locate the meter at a distance where the field intensity is 4 5 4 mSv h Increase slowly the distance between the meter and the source till the interchange occurs which is indicated by three successive beeps Write down the reading in the results table Calculate the error 90 and write it down too Software Overflow Check a Use Cs source of about 450 Ci b Locate the meter detectors at a distance where the field intensity is 900 mSv h Increase slowly the distance between the meter and the source till the intensity is 1000 mSv h and overflow occurs the OFLO LCD s is displayed accompanied with an audible indication Write down the calculated field in the results table Notes The source is chosen with an activity adequate to the desired radiation field Error calculation reading calculated field error 96 x 100 calculated field In case the error is over 1090 repeat measurement or calibration procedure or replace detec
17. h when the radiation field increases low range Geiger is disconnected and at 200 mR h when the radiation field decreases low range Geiger is connected The Geigers switching is acknowledged by three successive beeps Geiger Type PESO RR I Se i i a ie High Range Overflow ZP 1201 alarm Low Range Field 0 01 mR h 200 mR h 300 mR h 100 R h Audible indication while using the internal detector The field intensity audible indication rate varies continuously according to the number of pulses received from the detector When the switching point from the low range to the high range Geiger occurs at 300 mR h the beeps rate drops immediately but starts increasing again according to the number of pulses received from the detector When the switching point from the high range to the low range Geiger occurs at 200 mR h the beeps rate raises immediately but decreases again according to the number of pulses received from the detector Beeps rate Field 0 01 mR h 200 mR h 300 mR h 100 R h Page 10 RAM DA 2000 Operating amp Maintenance Manual 3 4 Response Time The instrument response time according to the technical data section 2 is adequate for slight radiation field variations dose rate time background to 5 m v h 50 sec 5 nBv h to 20 m v h 30 sec 20 mBv h to 50 mSv h 5 sec 50 m v h to 200 m v h 3 sec 200 m v h to 1 Sv h 2 sec meter software includes two functions Smooth function stabilizes the meter s
18. ll be available in a few months 3 10 Data Storage in the Internal Memory A short press on the LIGHT push button enables to store data in the built in NV SRAM When data is stored the number of available memory entries is displayed by three digits and the m segment e g 345 m Maximum memory space is 347m The stored data includes ID number up to 12 characters Date month day year Time hour minutes Measurement Unit Comments A long press for 2 sec on the LIGHT push button turns the light on off To transfer the saved records from the RAM DA 2000 meter to the PC the supplied cable should be used The SMARTS or RMV software in the PC are used to receive the meter s data RAM DA 2000 communication protocol is adequate to SMARTS software The stored data in the meter s memory is dumped after it is transferred to the PC Warning Another option to erase memory is by performing a long press for 5 sec on the LIGHT push button 3 11 Special Functions To activate Special Functions press COUNT and SPEAKER push buttons simultaneously To change or deactivate Special Functions press the UNITS push button repeatedly to obtain the following sequence CALIBRATION OFFSET ADJUST SET THRESHOLD Out of Special Functions 3 11 1 Calibration all detectors except IC 10 This mode is used for the detectors calibration Calibration instructions for the internal detector can be found in section 5 and for the external det
19. ment modes and load the threshold value into the microprocessor memory A different threshold can be set for each detector 0 500 SET ri ALARM Lu DETECTOR B J 3 12 Alarms All the alarms are accompanied by an audible indication To mute the audible indication press SPEAKER push button The adequate segment will go on flashing till the alarm cause is over Page 18 RAM DA 2000 Operating amp Maintenance Manual a BATTERY ALARM If battery voltage is low the BATTERY segment flashes on display Ten operation hours are remaining 0 500 1000 cps ALARM BATTERY DETECTOR 5 b DETECTOR ALARM In case of defective or disconnected detector the DETECTOR segment flashes on the display 0 0 500 1 000 ALARM ri c DETECTOR c OVERFLOW In case of detector overflow OFLO LCDs is displayed instead of digits 0 500 1000 ALARM ri eps DETECTOR L4 F L Li 8 c d THRESHOLD ALARM When reading exceeds threshold value the ALARM segment flashes on the display 0 500 1000 ALARM ri cps DETECTOR Li B RAM DA 2000 Operating amp Maintenance Manual Page 19 3 13 Replacing Batteries The meter checks the batteries voltage continuously When the voltage is low an audible alarm is activated and the ALARM BATTERY segment is displayed To replace batteries unscrew th
20. orage 20 C to 60 C 5 F to 140 F 40 to 95 RH non condensing RAM DA 2000 Operating amp Maintenance Manual Page 7 Casing Splash proof plastic case Dimensions Width 142 mm 5 6 Length 244 mm 9 6 Height 115 mm 4 5 Weight 1 46 Kg 3 22 Ib including batteries 2 2 Internal Detector Measuring Range 0 5 uSv h to 1 Sv h 50 uR h to 100 Display Range 0 01 uSv h to 1 Sv h 1 uR h to 100 Response Time dose rate time background to 5 m v h 50 sec 5 m v h to 20 m v h 30 sec 20 nBv h to 50 m v h 5 sec 50 m v h to 200 m v h 3 sec 200 to 1 Sv h 2 sec Accuracy 1596 of reading Energy Response Cs 2090 over the range of 60 keV to 1 2 MeV Angular Dependence Cs 20 for 45 of preferred direction The display range below the measuring range is indicated by two flashing arrows on the display bottom Ordering Information Without internal detector RAM DA 2000 mR h BAK 1630 RAM DA 2000 uSv h BAK 1640 With internal detector RAM DA 3 2000 mR h BAK 1660 RAM DA 3 2000 uSv h BAK 1670 Cable RAM DA Cable coiled BAK 0490 RAM DA Cable straight BAK 0510 Page 8 RAM DA 2000 Operating amp Maintenance Manual 3 Operating Instructions 3 1 3 2 Preparation for Use Remove the instruments from the shipping container and check for physical damage In case of damage report it immediately to the carrier Do not attempt to install or operate damaged equipment since sa
21. ort ROTEM s customized communication cable ROTEM s meter software supplied by ROTEM on ROTEM website www rotemi co il 3 Software Installation Follow the instruction from website 4 Operating Instructions 4 1 Connect one of ROTEM s meters to the PC via RS 232 communication port by the customized communication cable 4 2 Run the RMV software For RAM DA meter press on Portables e Press on Setting communication port to select comm Port and baud rate 9600 for the PC Data Setting Utility Help Js EHE Communication Port Baud Rate Detector fl C Ram R 200 mi deus Instrument not responding Calibration C C 4800 ld Time Malue Units Status Detector C Com3 9600 Com4 C 19200 Cancel 28 RAM DA 2000 Operating amp Maintenance Manual 4 3 Select Data Get Legend to fill legend ws Legend 156 parameters Dae ws Department labio Survey location Floor2 Type of detector used GMi0 Survey personnel ankyNissim 5 Data Download to PC 5 1 Off Line a Store the meter reading and date in the meter memory by a short press on the LIGHT push button 380 records can be store b Select Data Get offline to download the meter s data FIRMY Rotem Meter View lol Data Setting Utility Help 5z IRA i Save xi Detector am mR C Ram R 200
22. play Write down the reading in the results table section 5 5 e Press the UNITS push button twice to return to the field measurement mode f Bring the meter closer to the source to a point where the field intensity is 700 mSv h Write down the reading in the results table Calculate the 90 error and write it down too g Use a Cs source of about 5 Ci h Locate the meter s detectors at a distance where the field intensity is 10 mSv h Write down the reading in the results table Calculate the 96 error and write it down too i Increase the distance between the source and the monitor to a point where the field intensity is 1 5 mSv h j Bring the meter to the ADJUST mode by pressing the SPK and COUNT push buttons simultaneously k Adjust TR R25 on PC 1551 to obtain the same reading 1 5 mSv h on the meter display Write down the reading in the results table section 5 5 l Press the UNITS push button twice to return to the field measurement mode m Use a Cs source of about 500 mCi n Locate the meter s detectors at a distance where the field intensity is 300 un Sv h Write down the reading in the results table Calculate the error 90 and write it down too o Use Cs source of about 50 mCi p Locate the meter s detectors at a distance where the field intensity is 10 uSv h Write down the reading in the results table Calculate the error 90 and write it down too 5 3 Checking Geiger Muller Tubes Interchan
23. r training stuff Display Large easy to read digital amp analog illuminated display Easy Maintenance An automatic self test program initiates alarm messages in case of malfunction The modular structure of the portable RAM DA 2000 meter enables easy maintenance Special Operating Features Freeze mode enables to use the RAM DA 2000 meter as a peak detector This feature is useful when readings must be taken in very high radiation fields where even a brief exposure can be lethal to the operator During the freeze mode the dose measurement continues to accumulate so that both peak measurement and accumulated dose can be read later in a safe environment Dose accumulation Select alarm threshold Count mode with two preset periods 100 and 1000 seconds Built in Memory The meter s internal memory enables records saving Each record includes ID date time reading measuring unit and detector type PC Communication The meter can be connected to a computer via RS 232 communication port in order to download the saved records in the meter s memory SMARTS amp RMV The RAM DA 2000 is SMARTS Survey Mapping Area Radiation Tracking System and RMV Rotem Meter View software compatible Relays Output Two relays are available One is switched on when a threshold alarm is obtained and the other when a malfunction alarm is activated Laser Bar code Reader Optional built in laser bar code reader is available for
24. shold alarm for the down load meter reading e Lost contact interval alarm must be bigger then On line Interval Threshold 5 Lost Contact Interval 50 Sec b Utility save enable save data file NotePad or EXCELL 7 Audio Alam software c Utility Send time enable update meter clock amp calendar RAM DA 2000 Operating amp Maintenance Manual Page 31 Appendix 2 RAM DA 2000 List of Electronic Drawings Ref PRIR44D9DRW 2 1 DOC Version 2 1 August 2003 12480 40 00 CPU Card sheet 1 of 2 12480 40 00 CPU Card sheet 2 of 2 12480 40 01 CPU Card Silk CS 12480 40 02 CPU Card Silk PS 11220 5 Internal Detector amp Control Switches 1551A 11220 5 01 3 0 RAM DA DAI DA2 DA3 Internal Detector 1551 Silk CS 11220 13 RAM DA DA1 DA2 DA3 LCD Display 1614 EM 12480 50 00 Wiring Diagram i ol Page 32 RAM DA 2000 Operating amp Maintenance Manual RAM DA 2000 Operating amp Maintenance Manual Page 33
25. sistors 2N 2907 Q9 2N2222A Q10 transformer MICROTRAN 8050 T2 4 4 Jumpers and Connectors Configuration Jumper Connections E8 1 4 2 3 Alkaline battery or external DC supply E8 1 2 3 4 Rechargeable NiCd battery and DC charger 5 1 3 EPROM 27C512 CPU ver 2 0 E7 1 3 Low battery test CPU ver 2 0 Wiring Connections See DRW 1248 50 00 Connector Function CPU Internal detector amp control switches to 2 Power operating push buttons display and 14 to J1 light connections 3 5 connector 2 Communication connector 5 Detector connector 16 Relay alarm connector Internal detector amp Display control switches Power display and back light connections Page 24 RAM DA 2000 Operating amp Maintenance Manual 5 Calibration Instructions 5 1 Internal Detector amp Control Switches Card U2 is used to convert 5V DC to high voltage for the Geiger tubes Adjust TR R19 to obtain 550V 10V on C23 Measurement is performed by means of a high voltage probe 1 1000 with input impedance of 1000 5 2 Calibration amp Linearity Check a Use Cs source of about 450 Ci Locate the meter detectors at a distance where the field intensity is 120 mSv h c Bring the meter to the ADJUST mode by pressing SPK and COUNT push buttons simultaneously d Adjust R26 on PC 1551 to obtain the same reading 120 mSv h on the meter dis
26. the connected detector type and its calibration factor set in the detector Accordingly the meter displays the detector ID the detector measurement unit and calculates the reading When working with the RAM DA3 2000 with an external detector connected it is possible to switch between the internal and external detectors by pressing the SPEAKER and LIGHT push buttons simultaneously this option will be available in a few months 3 9 Laser Bar Code Reader optional a A short press on the SPEAKER push button operates the laser bar code reader The bAr LCDs is displayed and the laser beam is activated b If the laser bar code reader succeeds in reading the bar code label the Go LCDs is displayed a beep is sounded and the laser bar code reader is turned off In case the bar code reader does not read the bar code label within 3 seconds it is turned automatically off Note The bar code reader cannot be operated if the communication cable is connected to the meter d In case the audible alarm threshold or failure 1s activated the first short press on the SPEAKER push button mutes the audible alarm e To mute the audible rate indication perform a long press for 2 seconds on the SPEAKER push button Page 16 RAM DA 2000 Operating amp Maintenance Manual b d Note If the laser bar code reader is not available a short press on the SPEAKER pushbutton mutes the audible rate indication this option wi
27. tor 5 5 Calibration and Linearity Check List Results Table Calculated Field Reading Error Comments mS v h mSv h 120 0 Calibration point ZP 1313 700 Linearity 10 Linearity 1 5 0 Calibration point ZP 1201 300 u u Linearity Linearity 3 GM switching Field increase 2 GM switching Field decrease OFLO Overflow check Page 26 RAM DA 2000 Operating amp Maintenance Manual 5 6 Communication Hardware RAM DA 2000 3 3 2 2 7 5 1 1 V 6 D type D type D type 9 Pin Female 9 Pin Male 9 Pin 5 7 Relay Hardware RAM DA 2000 Relay 2 elay 4 2 Relay 1 3 D type 9 Pin Male In case of threshold alarm Relay 1 contacts are shorted In case of failure alarm low bat overflow detector fail Relay 2 contacts are shorted RAM DA 2000 Operating amp Maintenance Manual Page 27 Appendix 1 Rotem Meter View Software RMV 1 Preface Rotem Meter View Software RMV is a WINDOWS based program aimed to download ROTEM s meters measurements to PC The meters that comply to RMV are RAM ION TelePole RamR200 AMP Meter family DRM and RAM DA 2000 Communication between the meter and the PC can be performed in two modes On Line the meter downloads the measured data into the PC at intervals time set by the user Off Line data is stored in the meter up to 347 strings and then downloaded into the PC 2 Required Equipment based WINDOWS and RS 232 communication p
28. ts The RAM DA 3 2000 a microprocessor based meter includes an internal detector with two energy compensated GM tubes ZP1201 ZP1313 for wide range gamma fields measurement from 0 5 uSv h to 1 Sv h 50 uR h to 100 Switching between two GM tubes is automatically controlled by the microprocessor according to the field level The internal detector is active when power is on and no external detector is connected In case an external detector is connected to the meter the internal G M 15 deactivated The meter is ready for use with the external detector without recalibration or any other special procedure When the external detector is disconnected during meter operation the internal detector is automatically activated When the RAM DA 2000 without internal detector is turned on and no external detector is connected a DETECTOR failure alarm is activated A large easy to read digital and analog LCD is integrated The radiation rate is shown by the digital reading and auto ranging scaled bar graph The meter is portable and compact It can function either as a rate meter or scaler An audible signal indicates count rate failure and preset threshold exceeding Meters are available in either Seivert or Roentgen measuring units RAM DA 2000 Operating amp Maintenance Manual Page 3 1 3 An advanced software program performs following functions averaging of readings Automatic self test of meter and detector A
29. upply max 756 U21 other 5V for the laser bar code reader MAX 756 U22 RS 232 communication max 242 U23 laser barcode reader SE 1022 two relays for alarm threshold and alarm failure15005 RL1 and RL2 low battery check MAX 756 U21 input ouput latch 74HC373 U14 U16 U17 Display Module PC 1614 and PC 2023 The display module consists of a custom made LCD and three serially connected controllers U1 U2 U3 The input data is received via U1 pin 34 that is connected to the micro controller The electro luminescent back light E L is mounted on the LCD rear side Internal Detector amp Control Switches Card PC 1551A low range GM tube G2 ZP1201 transistors Q3 Q4 Q11 high range GM tube G1 ZP1313 transistors Q1 Q2 calibration factors circuit Oscillator ICM 7555 U4 calibration trimpots R25 low range adjust and R26 high range adjust overflow circuit comparator ICL 8212 U1 control circuits factor signal selector circuit nand s gate 4093 U5 GM calibration factor selection transistors Q6 Q7 Q8 GM selection Q5 RAM DA 2000 Operating amp Maintenance Manual Page 23 HV Supply transformer MICROTRAN 8050 T1 switching voltage regulator 4192 02 power test unit ICL 8211 U3 comparator Back light display circuit The electro luminescent back light E L power supply converts 5V DC to 100V AC It consists of oscillator ICM 7555 U6 tran
30. utomatic detector identification for selection of correct subroutine Automatic selection of readout units Automatic recalibration for each change of detector Auto ranging Automatic recording of dose accumulation Freeze mode to record the highest dose rate Manually set threshold alarm Low battery alarm overflow alarm Manual selection of units and functions Compensation for detector efficiency Compensation for detector dead time Clock calendar E7EPROM for saving the meter s parameters Non volatile memory for data storing option Communication to PC SMARTS protocol RMV software relays 2 dry contacts built in bar code laser scanner or bar code pen reader option External Detectors IC 10 Air vented ionization chamber detector for beta gamma and X ray fields measurements IC 10X Air vented ionization chamber detector for measuring X ray narrow pulses gt 50m sec GM 10 Geiger Muller pancake detector for surface contamination monitoring of alpha beta and gamma radiation PA 100 Air proportional detector for alpha surface contamination monitoring with sensitive area of 100 sq cm PM 10 Scintillation P M T detector for X rays and low energy gamma radiation monitoring Page 4 RAM DA 2000 Operating amp Maintenance Manual PM Scintillation P M T detector for alpha radiation detection PM 11 Scintillation P M T detector for high energy gamma radiation d
31. without the prior written consent of ROTEM Industries Ltd ROTEM Industries Ltd reserves the right to change specifications without advance notice Ref PRIR44D9 2 2 DOC PRIR44D9DRW 2 2 DOC RAM DA 2000 Operating amp Maintenance Manual Page 1 Table of Contents 1 Pc m 4 Ld 2000 Systems idi rre nete teer ES Medea bac EAR S 4 L2 he RAM DA 2000 MCR pos DO tiep E qat Lu nada e e Ad ug 4 1 3 Bxternal Detectors eo Eu abes dms beatus 5 1 4 RAM 2000 Special Advantages iie terio ob ee i eei 7 2 Technical Data si susci cese bench 8 DAMM RM den 8 2 2 Internal DOlecfoE quie ed pe isl been tatc Ra aedi tcd tns 9 32 Operam Inst EUCUOS UN DR S UA 10 Preparation TOE 56 oet aute iu auti iudi ai Maso 10 S 5 CAMEO op EE 10 3 3 Automatic Range Switching for RAM DA 3 2000 seen 11 3 4 Response DIeo ue o s nea e a el edd RD Ge teat eR sc dE e Mu I MR 12 Sade LIESS deuote s es ee OS Sa Esto duis ch ale tussim dde de lx GR Saag Safe ae 13 2 0 Changes Ont Ss oie ate e aant de ei uH 14 3 1 General Functions innn nunes nnna n a a io a e E O E 16 Dee Ext
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