User Manual - Far West Technology, Inc.
Contents
1. Colon will flash MAX DATE Displays the date that the maximum radiation level in MAX DATA occurred Colon will flash MODEL 1010 TE SURVEY METER 5 MAX DATA Displays the highest radiation level the instrument had received on a minute interval since it was started The time and date that it occurred are in MAX TIME and MAX DATE BAT Displays the hours since the batteries were replaced from 0 to 9999 Increments 1 every hour Setable If all decimal points are displayed it is an indication that the batteries should be replaced before starting another run DEL TIME Displays the time that the instrument will start to gather data The colon will flash Setable If not set will show actual start time of a manual start DEL DATE Displays the date that the instrument will start to gather data The colon will flash Settable If not set will show the actual start date of a manual start INTVL Displays the interval between data points in minutes from 1 to 5 Settable USER Displays 4 digit user number from 0000 to 9999 Settable S N Displays the 4 digit unique serial number of this instrument form 0000 to 9999 STAT Displays the status of the instrument Displays STOP for instrument stopped RUN for instrument gathering data and FULL for either stopped after Run or full of data and DEL when instrument is set for a delayed Start Clears screen and puts keyboard in number mode so that numbers can be entered from keybo2. has accumulated enough data to completely fill its memory it will stop gathering data The display will flash a and a and the STAT will be FULL V BATTERY CHANGE The 6 D cells on top of the instrument should be replaced when the BATT is displayed on turn on or when the decimal points appear when BATT key is pushed When these warnings appear the instrument will operate on its present batteries for 15 days at 0 degrees F Alkaline batteries should be installed for colder environments The BAT should be zeroed when the batteries are replaced by entering zero into it The proper key sequence is turn on instrument 0 0 0 0 ENTER BAT There are two other batteries that power the clock and memory when the instrument is turned off They are located under the front panel and may be accessed by removing the four screws holding the ends of the front panel and pulling the panel out Replace them with 2 Alkaline AA cells The clock and battery hours will need to be reset when these two batteries are changed VI CALIBRATION A special calibration mode is available which changes the interval to 6 seconds If the instrument is turned off andthe DATA key held down when the power switch is turned on the instrument will automatically enter this mode Then INT will show 0001 Since the number of counts accumulated during a six second interval is very low about 2 or 3 for background levels the statistical spread will be large At dose
3. ineo ie ed e dad fe dd 3 IVs SFUNG ONS i E EE EEES 3 V BATTERY CHANGE iudicii aen PRSE EERURER EE ERBEN ERES EBS aeae E USER E EE EEIE EEE ES Eaei 4 VE GAMBRAMON allea 4 VIE NOTES RR 5 Vill APRENDI A i n 5 MODEL 1010 TE SURVEY METER 1 I GENERAL SPECIFICATIONS Mechanical Dimensions L 10 2 W 7 3 H 3 5 excluding handle Weight 7 4 lbs with 1250 batteries Case Grey Polyester molded Panel 125 Al Environmentally sealed for moisture Readout Display 4 Digit LCD 0 4 high digits Markings and Functions Power On Off toggle switch 16 position Keypad Warmup Time 15 Seconds System Accuracy 4 and 1590 from 20 to 450 degrees C Rate Limitations will read correctly to 40 mR h and will continue to function in 2 R h fields Internal Detector Energy compensated GM counter Eff Dia 57 x 3 88 Storage Capacity 4050 Data Points Time Between data points 1 min to 5 min Data Storage Compressed Decimal Format Battery Complement 6 D cells Battery Life 2900 hours with Eveready E95 21 degrees C Backup Battery 2 AA Cells Life typically 1 year Temperature Dependence or 1096 20 to 50 degrees C Storage Temperature 40 to 455 degrees C External Data Connector LEMO 3 6 pin chassis with cover Il INTRODUCTION The model 3220 is part of the Digital Environmental Monitoring System DEMON that consists of the model 3220 Field Unit and the model 3225 Reader The instrument is designed to be p
4. rates below 1 mR h an average of ten readings will be necessary to obtain a consistent average The final calibration should be performed with the instrument in its case MODEL 1010 TE SURVEY METER 4 The instrument calibration should be performed at dose rate of 1 mR h and a source to detector distance of not less than 50 cm The calibration is changed by the 8 DIP switches mounted on the circuit board For a given radiation field when all switches are down pushed toward the circuit board the highest mR h reading will be displayed and if they are all up the lowest reading will be displayed The end switch to the left nearest the end of the circuit board changes the calibration the most Switches to the right of that switch change the calibration in decreasing amounts To calibrate an instrument place all switches up The lowest reading will be displayed Raise the reading by changing the left most switch to down If the reading is still too low change the next switch to the right of the first switch to down Continue changing switches in sequence to the right until the reading is too high Return that switch to the up position and leave it up Go on to the next switch Perform this operation until all switches are set to give the best calibration If after changing the first switch the reading is too high leave the first switch up and start the procedure with the second switch VII NOTES The colon flashes whenever the display shows a numbe
5. OPERATION MANUAL Model 3220 ENVIROMENTAL MONITORING FIELD UNIT August 1998 os Health Physics Instruments 330 South Kellogg Ave Suite D Goleta CA 93117 GENERAL INFORMATION This instrument is manufactured in the United States of America by Health Physics Instruments Suite D 330 South Kellogg Ave Goleta CA 93117 3814 Tel 805 964 3615 Fax 805 964 3162 Email support fwt com Health Physics Instruments is a division of Far West Technology Inc Both Health Physics Instruments and Far West Technology have been manufacturing radiation measuring devices since 1972 REPAIR SERVICE Although we design and manufacture our instruments to a high standard we realize that repairs are sometimes necessary If you believe service is needed on this instrument please call our service department before shipping the instrument to us for repair often we can help you with simple problems If you do decide to return it to us for repair then please include Contact person s name Organization or Company name Address Phone number of contact person Description of the problem Anything else you may think important DARN We will inform you of the repair charges and wait for your authorization before we repair your instrument TABLE OF CONTENTS I GENERALE SPECIFICATIONS scvssssssonsionssoveseneusvensassanosvosnasousseseseauneastevesssonebesotonssenboses vopsebsenssvsensiepsnven 2 Il INTRODUCTION i aaa 2 lI GETTING STARTED
6. ard ENTER Enters numbers into various registers May be thought of as a put it into key After pushing key then push appropriate 4 numbers always fill display then ENTER then register you want the numbers to go into If you want to cancel a command entering the number into s n will cancel the action of enter Numbers can be entered into any of the registers marked Settable Example to set clock to 12 59 hrs push 1 2 5 9 ENTER TIME MODEL 1010 TE SURVEY METER
7. e If the three decimal points come on in the BAT display the batteries are low and should be replaced before making another run USER Any 4 digit number can be displayed and entered into this register It can be used to keep track of the location of the instrument or any other special code DEL TIME and DEL DATE are used to start the instrument at some future time and date or to find out the time and date of a manual start When the instrument is first turned on these will display zeros If a time and date are entered into them and the instrument is stopped the instrument will wait until that time and date to begin to gather data The STAT will display DEL or delayed start The instrument can be started at any time however by pushing START STOP If no time and date are entered and the instrument is started then pushing the DEL TIME and DEL DATE will display the actual starting time and date Once the instrument is started and the STAT shows RUN it may be stopped by pushing START STOP until is displayed then pushing while the display shows When the display returns to the flashing colon mode the decimal point below the colon will also flash The instrument cannot be started again without resetting it by turning off and on The STAT will now show FULL which is what it will also display when it is full of data To reset the instrument turn the power off wait 1 second then turn it on again When the instrument
8. laced in the field to measure background radiation on a periodic basis The data is stored in solid state memory with battery backup The data and status of the instrument can be monitored at any time by using the internal keypad and display In addition the keypad can be used to change various parameters of the instrument MODEL 1010 TE SURVEY METER Il GETTING STARTED To get started using the instrument first open it up by turning the four twistlock fasteners counterclockwise on the side of the case and remove the lid You should see six D cells on your left and a keypad switch and display on the right Make sure the batteries are held in their holders and then turn the toggle switch to the on position by lifting it up as you push it up The display should turn on and display 8888 If nothing appears in the display then replace the batteries If all is working correctly the display will then go blank If the word batt appears it means the batteries should be replaced soon The first thing to check is the status of the instrument by pushing the bottom key marked STAT The display should show STOP If you now wait 15 seconds the display should go blank and the instrument will go into a sleep mode to conserve power Now we will check the time of day clock Push the top left hand button marked TIME and the correct time in 24 hour time should be displayed The colon will flash seconds Next push the button next to it marked DATE The correct date sho
9. n Be sure to fill up the display with four digits 1 would be entered as 0001 When the number in the display is what you want then push the ENTER key This takes the keyboard out of the number mode The next key you push will be the register that the number will be put into To try this turn the instrument off and back on Push INTVL and you will see 0005 or 5 minute interval Now push f to get into the number mode 0 0 0 1 to put 0001 in the display ENTER INTVL to put it in the interval register 0001 is now the new interval It may be changed only when the instrument is stopped The Time and Date are changed in the same way There are several other keys on the keyboard which represent other registers some of which are settable and some may be only displayed They are MAX TIME MAX DATE and MAX DATA These three keys will display the time and date and level of the highest radiation level that the instrument has received on a minute basis since it was started They are cleared to zero on turn on and they cannot be set MODEL 1010 TE SURVEY METER 3 S N This key displays the unique serial number of this instrument It cannot be changed BAT This key displays the hours that the batteries have been used The hours are incremented whenever the instrument is turned on and should be zeroed whenever the batteries are changed by entering 0000 into it It may be set to any number but was designed to keep track of battery lif
10. r that is date or time Calibrations should me made to 40 mR h Dead time corrections are made between 4 and 40 mR h Above 40 mR h the display will read OVER and a distinctive number of 65536 will be stored in memory When this number is displayed in the Reader it appears as 65 53 mR h A reset switch is mounted on the circuit board This switch performs the same function as turning the instrument off and then on The base calibration number is approximately 2000 c m per mR h Vill APPENDIX A KEY FUNCTIONS Starting from the upper left TIME Displays the current time of day in 24 hour format from 00 00 to 23 59 The colon will flash seconds Settable DATE Displays the current date in month day format from 01 01 to 12 31 The colon will flash seconds Setable DATA Displays the current radiation level in mR h from 0 001 to over 50 00 Updates every minute START STOP Starts and Stops data gathering of instrument After the instrument is turned on one push will start data gathering and will appear in display after 3 seconds the will turn off and the flashing colon will be displayed To stop data gathering push START STOP once until appears then push plus a will be displayed indicating the instrument is stopped To reset the instrument it is necessary to turn the power switch to off for 3 seconds then on again MAX TIME Displays the time of day that the maximum radiation level in MAX DATA occurred
11. uld be displayed in month day format Again the colon will flash to show that we are looking at a time related function Now we can check the data by pushing the next button marked DATA The current level in mR h will be displayed You should see around 012 mR h Now lets start the instrument gathering data by pushing the next button the START STOP button When you push it will be displayed and the colon should start to flash Now push STAT again to check the status and it has changed from STOP to RUN This completes the startup procedures IV FUNCTIONS When we started the instrument we started it measuring the radiation level for a specific time interval and then storing the data in its memory The time interval can be set to 1 2 3 4 or 5 minutes There are 4050 memory locations available to store the data in Consequently a 1 minute interval will give 4050 minutes or 2 8 days of operation before the memory is full and a 5 minute interval will give 14 days of operation In order to set the interval we need to know how the set function works When the instrument is first turned on the interval is set to 5 minutes To change it to 1 minute for example we need to use the numbers rather than the functions on the keys The 4 key puts the keyboard in the number mode The display will go blank and wait for a number key 0 to 9 to be pressed The display rotates to the left after every entry If you make a mistake just enter the number agai
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