Using the
GammaRAE II
Personal Radiation
Detector
Страница 1: ...Using the GammaRAE II Personal Radiation Detector ...
Страница 2: ...Training Agenda GammaRAE II Features Normal Usage Turning Unit On Operating Mode User Screens Advanced Features Programming Mode ...
Страница 3: ...ector CsI TI Photodiode Sensitivity More than 1 cps per µR hr 100 cps per µSv hr Dose Equivalent 1 4000 µR h 0 01 40 µSv h Rate DER range for 137Cs Accuracy of DER 30 for 137Cs Dosage Range 1 µR 999 µR Energy Range 0 06 3 0MeV ...
Страница 4: ...age rate in µR h or µSv h user programmable Programmable audible visible and or vibration alarms Highly visible LED lights on both sides of LCD graphic display Loud alarm 85 dB 30cm for noisy environments 2 operation program buttons Optional Windows compatible datalogging and set up program ...
Страница 5: ...p rubber housing with grippable ridges securely fits into hand or glove 0 100 humidity water resistant IP 65 rated case Temperature range of 4o F to 122o F 20o C to 50o C 800 hours on alkaline battery can be changed with a coin Rugged metal belt clip wrist strap ...
Страница 6: ...Physical Description Battery Compartment MODE button for selecting mode and function SET button for setting or selecting parameters Buzzer alarm ...
Страница 7: ...Physical Description LED alarm LCD flips 2 ways with SET button to easily show operation parameters and radiation measurements Battery compartment cover screw ...
Страница 8: ...Training Agenda GammaRAE II Features Normal Usage Replacing Battery Turning Unit On Operating Mode User Screens Advanced Features Programming Mode ...
Страница 9: ...or a coin turn screw counterclockwise to loosen Tilt cover off to access AA batteries Initial use may require thin flat object to assist in removal Screw is captured in battery cover Note Use only alkaline batteries carbon batteries may leak causing damage ...
Страница 10: ...ections on back of GammaRAE II Replace cover and turn screw clockwise to tighten Unit will beep and LEDs will flash once indicating full battery charge If alarm beeps continuously or makes a zapping noise the batteries are almost dead and should not be used ...
Страница 11: ...Training Agenda GammaRAE II Features Normal Usage Replacing Battery Turning Unit On Operating Mode User Screens Advanced Features Programming Mode ...
Страница 12: ...utton for 3 seconds Alarm sounds if buzzer is set to ON LCD displays unit information LEDs and vibrator self test at this time Instrument performs self check Time and battery status are displayed GammaRAE II performs a 36 second background calibration ...
Страница 13: ... your GammaRAE II displays Gamma sensor not found or No sensor installed contact your distributor or RAE Systems service at 408 752 0723 Do not attempt to use or repair the unit There are no user serviceable parts in the GammaRAE II ...
Страница 14: ...ibration is complete and the unit is in Normal Operating Mode NORM you will see a screen like this Note NORM does not mean Naturally Occurring Radioactive Material It indicates that the unit is in Normal Operating Mode ...
Страница 15: ...E button for 5 seconds The detector counts down 5 seconds on the screen flashes the orange LEDs and beeps and then shuts off Do not release the MODE button until the unit has counted down to zero flashed the red LEDs and sounded a long beep ...
Страница 16: ...Training Agenda GammaRAE II Features Normal Usage Replacing battery Turning Unit on Operating Mode User Screens Advanced Features Programming Mode ...
Страница 17: ...I has two modes of operation Normal Operating Mode NORM and Programming Mode PROG In normal operating mode the GammaRAE II detects Gamma radiation and accumulates radiation dosage data In Programming Mode operating parameters are specified ...
Страница 18: ...Training Agenda GammaRAE II Features Normal Usage Replacing battery Turning Unit on Operating Mode User Screens Advanced Features Programming Mode ...
Страница 19: ...MIN Minimum radiation level detected since last cleared DOSE Accumulated radiation dosage since last cleared STAT Detector status TEST Self test Each function remains active for 60 seconds before automatically returning to the normal operating mode Pressing the MODE button moves the selection to the next one in the sequence ...
Страница 20: ...erate in search mode expressed in counts per second cps or detection mode µR h or µSv h depending on how the detector is set up in Programming Mode Switch back and forth between search and detection modes by pressing the SET button Press the MODE button to step to the next function ...
Страница 21: ...age background radiation can come from things like asphalt higher elevations fertilizers and even recent hospital procedures Press the SET button to have the detector re calibrate to the background radiation Press the MODE button to step to the next function ...
Страница 22: ...EAK The maximum radiation level detected since last cleared Press the SET button to clear the PEAK value The PEAK value is also cleared when the detector is turned off Press the MODE button to step to the next function ...
Страница 23: ... MIN The minimum radiation level detected since last cleared Press the SET button to clear the MIN value The MIN value is also cleared when the detector is turned off Press the MODE button to step to the next function ...
Страница 24: ...Accumulated Dose DOSE The accumulated radiation dosage since last cleared Press the SET button to clear the DOSE value Press the MODE button to step to the next function ...
Страница 25: ...ls us how many miles per hour we are traveling A dose rate meter detector tells us how many mSv or mrem are received per hour The odometer shows how many miles the car has traveled A dosimeter show many mSv or mrem one has received altogether ...
Страница 26: ...hout special medical care If a person receives the same dose slowly over several months it would may or may not cause any signs of illness The same kind of effect could be illustrated by drinking a quart of whisky If you drink the whole bottle at once you will get drunk and you may even die If you consume it during one year drinking one teaspoonful every day or two it will have no effect at all Bj...
Страница 27: ...nt Dose Limits Average 1 mSv or 100 mrem per year Single event 5 mSv or 500mrem The public Average 20 mSv or 2000 mrem per year Maximum 50 mSv or 5000 mrem per year During pregnancy 2 mSv or 200 mrem per year Exposed Workers ...
Страница 28: ...xtreme cases up to 20 mSv up to 2 000 mrem Background radiation Average 2 to 3 mSv per year 200 to 300 mrem Variation range 0 2 to 500 mSv 20 to 50 000 mrem Radon gas in houses Up to 20 mSv per examination up to 2 000 mrem Major x ray examination About 0 1 mSv per examination 10 mrem Variation range 0 05 to 5 mSv 5 mrem to 500 mrem Chest x ray examination Average 1 to 3 mSv per year 100 to 300 mre...
Страница 29: ...us On Run time from when the detector was turned on shown in hours and minutes 0000 00 BattV Battery voltage Temp Internal temperature can be displayed in C or F set in Programming Mode Press the MODE button to step to the next function ...
Страница 30: ...s to make sure all alert functions are working properly 1 Press the SET button to accept and to initiate testing 2 The buzzer is tested Press the SET button to start the next test 3 The vibrator is tested Press the SET button to start the next test ...
Страница 31: ...ss the SET button to start the next test 5 The backlight is tested Press the SET button to start the next test 6 The alarm buzzer is tested Press the SET button to finish the TEST functions This returns GammaRAE II to Normal Operating Mode ...
Страница 32: ...Training Agenda GammaRAE II Features Normal Usage Replacing battery Turning Unit on Operating Mode User Screens Advanced Features Programming Mode ...
Страница 33: ...Hold the MODE and SET buttons for 3 seconds to enter into Programming Mode Press the MODE button to step through the menu Press the SET button to select Programming Mode is used to change alarm settings and detector settings ...
Страница 34: ...Programming Mode PROG Alarm Set allows you to reset the alarm setpoints CF Datalog Set Monitor Set allows you to reconfigure the parameters of the GammaRAE II ...
Страница 35: ...ma CF is used to set Low Alarm CF σbk σbk standard deviation of background this is the same as the n in the GammaRAE pager Press the MODE button to step through the digits from left to right Note The default value is 5 0 Use the SET button to increment each digit from 0 through 9 ...
Страница 36: ...uelch Alarm threshold value alarm point Alarm B CF x D B background radiation reading from CAL It is the average reading of every 0 25 second in 36 seconds CF number of the deviations to trigger the alarm Can be set from 1 0 to 9 9 D mean square deviation of background radiation from CAL The statistical difference of all of the 0 25 second readings for 36 seconds ...
Страница 37: ...ckground reading of 15 μR h 0 01 31 μR h 105 7 0 01 29 μR h 90 6 0 01 26 μR h 75 5 0 01 24 μR h 60 4 0 2 22 μR h 45 3 2 6 20 μR h 30 2 16 6 17 μR h 15 1 Probability of False Alarm Alarm Threshold Value Alarm Above Background CF ...
Страница 38: ...Set step through the options using the MODE button until you see Quit Press the SET button to exit Alarm Set Then step through the Main Menu until you see Quit Press SET to exit Program mode and return to Normal Operating Mode ...
Страница 39: ...ack Lite Default setting Manual Buzz Lite Default setting Both On Vibrate Default setting On Temp Unit Default setting Celsius Gamma Unit Default setting µR h Change Date Change Time Press the MODE button to scroll down these menu options Select an option using the SET button ...
Страница 40: ...l Turn on by pressing MODE Off Buzz Lite Set the behavior of the audible and visible alarms Both on LEDs light and buzzer sounds when in alarm Light only Only LEDs light when in alarm Both off Vibrate Mode Set the vibration alarm On Off WARNING You can turn all three of the alarm alerts Buzzer LEDs Vibrator OFF at the same time ...
Страница 41: ...Temp Unit Set the unit of measure Choices are Fahrenheit and Celsius Press MODE to select Fahrenheit or Celsius Then press SET to save your choice and exit ...
Страница 42: ...Gamma Unit Set the unit of measure of radiation Choices are µR h US or µSv h SI Unit 100 μR h 1 μSv h Press MODE to select unit Press SET to save your choice and exit ...
Страница 43: ...ough month date and year and press SET to increment through the digits holding the SET button speeds through the numbers Press MODE to select Save and press SET to save your date changes and exit Otherwise press MODE again to select Quit and press SET to exit ...
Страница 44: ... minutes and seconds and press SET to increment through the digits holding the SET button continuously speeds through the numbers Press MODE to select Save and press SET to save your time changes and exit Otherwise press MODE again to select Quit and press SET to exit ...
Страница 45: ...Questions RAE Systems 3775 North First Street San Jose CA 5134 Voice 408 952 8200 Fax 408 952 8480 www raesystems com elang raesystems com ...
