GP-1003 GM Detector

GSP-1 1"x1" Sodium Iodide


Good gamma probe for uR detection, vehicle monitoring or any application requiring high sensitivity. Gamma and high energy beta only. Excellent gamma response from 50 KeV to 2 MeV.


GENERAL Intended for general gamma (dose) measurements
Compatibility ALL WB Johnson Instruments (others on request)
Operating Voltage 600-900 vdc
Wall Thickness 40 mg/cm2
Range 0-5,000 uR/hr
CPM -mr/hr(Cs-137) 175 cpm
Energy Response 60keV - 2 MeV gamma
Nominal Background 1800 cpm
Sensitive Area 1" x 1"
Dimensions 1 7/8" dia x 6" L
Environmental -20° F[-28° C]-140° F[60° C] | 5-95% RH non-condensing - IPX4
Weight 8oz



Downloadable Datasheet, Product Manual & Other Resources