GM Detector | GP Series Detectors
The GP Series detectors are excellent detectors for general gamma monitoring. Its small size and rugged design make the GP Series Detectors some of the most durable and reliable detectors available.
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Overview
GP-1001 (0-200 mR/hr)
General
Intended for general gamma (dose) measurements
Compatibility
ALL WB Johnson Instruments (others on request)
Operating Voltage
525 vdc or 900v
Wall Thickness
.035″
Range
0-200 mR/hr Energy compensated GM
Energy Response
50keV – 2 MeV gamma
Sensitive Area
1.5″ x .566″
Finish
A powder coated aluminum housing
Dimensions
1″ dia x 4″ L
Environmental
-20° F[-28° C]-140° F[60° C] | 5-95% RH
Weight
4oz
GP-1002 (0-2000 mR/hr)
General
Intended for general gamma (dose) measurements
Compatibility
ALL WB Johnson Instruments (others on request)
Operating Voltage
525 vdc
Wall Thickness
.035″
Range
0-2000 mR/hr Energy compensated GM
Energy Response
50keV – 2 MeV gamma
Sensitive Area
1.1″ x .308″
Finish
A powder coated aluminum housing
Dimensions
1″ dia x 4″ L
Environmental
-20° F[-28° C]-140° F[60° C] | 5-95% RH
Weight
4oz
GP-1003 (0-10,000 mR/hr)
General
Intended for general gamma (dose) measurements
Compatibility
ALL WB Johnson Instruments (others on request)
Operating Voltage
525 vdc
Wall Thickness
.035″
Range
0-10 R/hr Energy compensated GM
Energy Response
50keV – 2 MeV gamma
Sensitive Area
0.8″ x .308″
Finish
A powder coated aluminum housing
Dimensions
1″ dia x 4″ L
Environmental
-20° F[-28° C]-140° F[60° C] | 5-95% RH
Weight
4oz
GP-1004 (0-100 R/hr)
General
Intended for general gamma (dose) measurements
Compatibility
ALL WB Johnson Instruments (others on request)
Operating Voltage
525 vdc
Wall Thickness
.035″
Range
25 mR/hr -100 R/hr – Energy compensated GM
CPM -mr/hr(Cs-137)
500
Energy Response
50keV – 2 MeV gamma
Sensitive Area
0.6″ x .308″
Finish
A powder coated aluminum housing
Dimensions
1″ dia x 4″ L
Environmental
-20° F[-28° C]-140° F[60° C] | 5-95% RH
Weight
4oz
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