Energy Compensated G-M Detector
For Higher Range Gamma Radiation
The GP-1001 cylinder G-M probe is energy compensated to 200 mR/hr. Efficient energy response ranges from 50keV to 2 MeV. The detector includes rugged anodized aluminum housing with BNC coaxial connector for quick field replacement.
General Use Gamma Dose Rate Measurements
Detector Type Energy Compensated, Halogen-Quenched GM Tube
CPM Range 0-200 Kcpm
Dose Range 50 µR/hr -200 mR/hr (Cs137)
Energy Response ± 20% (50keV – 3 MeV)
Sensitivity (Cs137 gamma) ≈ 1000 cpm/mR/hr
Operating Voltage 500 vdc or 900 vdc
Dead Time ≈ 45 µsec
Compatibility All Johnson Rate Meters
Environmental -20°F[-28°C] to 140°F[60°C] 5-95% RH
Connector BNC (other types available)
Dimensions 1 ” (2.5cm) Dia x 4” (10cm) L
Weight 4 oz (0.11 kg)
