Radiation Alert Monitor 200
Applications:
• Detecting and measuring surface contamination
• Monitoring possible radiation exposure while working with radionuclides
• Screening for environmental contamination
• Detecting noble gases and other low energy radionuclides
Specifications:
Detector
Halogen-quenched GM tube with thin mica end window. Mica window density 1.5-2.0 mg/cm2. Effective window diameter is .360 inch. Side wall is .012 inch thick.
Operating RangemR/hr – .001 (1µR) to 200 mR/hr |
Energy Sensitivity
1070 CPM/mR/hr referenced to Cs137
Detects alpha down to 2.5 MeV; typical detection efficiency at 3.6 MeV is greater than 80%.
Detects beta at 50 keV with typical 35% detection efficiency.
Detects beta at 150 keV with typical 75% detection efficiency.
Detects gamma and x-rays down to 10 keV typical through the window, 40 keV minimum through the case.
(Ref to Cs137)
Accuracy of Radiation Detector Device
Anti-Saturation
Readout will OVERRANGE in radiation fields as high as 100 times the maximum reading.
Selectable Alert Set Range
mR/hr .001 – 100 and CPM 1 – 350,000. Pulsating beeper sounds the alert. Adjustable alert levels are used for mR/hr / CPM, and µSv/hr / CPS. 70db @ 1m. Alarm will sound when in Timer Mode when set alarm threshold is reached.
Display
Graphic LCD with Backlight.
Outputs
USB for use with Free Observer USB Software for PCs
Bluetooth for use with the Free Observer BLE App for Android
Count Light
Red LED flashes with each count.
Audio Indicator
Sounds with each count (can be switched off for silent operation)
Power Requirements
USB Power or Two (2) AA alkaline batteries (included). Approx. 800 hrs @ background.
Temperature Range
-10° to +50°C (14° to 122°F)
Humidity
10% to 70% Non-Condensing.
Size
140 X 68 X 33 mm (5.5 X 2.7 X 1.3 in.)
Weight
181 g (0.4 lbs.)
Includes
Carrying Case, Xtreme Boot, Lanyard, Stand, Batteries, Mini-USB Cable, Observer USB Software Download, Observer BLE App Certificate of Conformance
Options
Water Resistant Case , NIST Calibration
Limited Warranty
1 year limited warranty
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