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.
mR/hr - .001 (1μR) to 200 mR/hr
μSv/hr - .01 to 2000
CPM - 0 to 214,000
CPS - 0 to 3575
Total/ Timer - 1 to 9,999,000 counts
Typically ±15% of reading. ±10% typical (NIST)
Internally mounted beeper (can be switched off for silent operation)
Red LED fashes with each count.
USB for Observer USB Software Family
1070 CPM/mR/hr referenced to Cs137
Detects alpha down to 2.5 MeV; typicaldetection efficiency at 3.6 MeV is greater than 80%.
Detects beta at 50 keV with typical35% 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.
Backlit Graphic LCD
Sounds with each count (can be switched off for silent operation)
Readout will hold at full scale in radiation fields as high as 100 times the maximum reading.
Power Requirements 2 AA alkaline batteries
Carrying Case, Xtreme Boot, Stand, Mini-USB Cable, Observer USB Software Download, Certificate of Conformance
1 year limited warranty
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RDS-31 Multi-purpose Survey Meter is a small hand held, battery operated survey instrument using an energy compensated GM-tube as primary detector. Due to its versatile functions and durability it is suited for a wide range of applications e.g. in civil defense, industrial and laboratory use.
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