The GM-42 Detector is a sensitive low range gamma radiation detector used to measure dose rates in areas where radioactive material is handled such as clean rooms, radio pharmacies, Q.A. Departments packing rooms and backup to the extremely sensitive PM-11 Exhaust Stack Detector.
Internal calibration factor
Unique “electronic” identifier
Quick Connect connector
Quick Connect plug
Geiger Type: ZP-1201 or equivalent
Measuring Range: 0.5 µSv/h to 10 mSv/h (50 µR/h to 1 R/h)
Sensitivity: 17 cps/mR/h
Accuracy: ± 10% reading within the measuring range
Energy Range: 50 keV – 1.3 MeV
Energy Dependence: ± 20%
Angular Dependence: Less than ± 20% for ±45° of preferred direction
Temperature Range Operation: -10°C to +50°C
Storage: -20°C to +60°C
Humidity Range: 40% to 95% RH (non condensing)
Dimensions: 197 mm (7.75”) Length x 38 mm (1.5”) Diameter
Weight: 250 gr (0.55 lb)
Casing: Aluminium, splash proof
Hook-up cable length: up to 100 m
Output signals: TTL pulses (5V, 5ms)
Detector status logic: Identification, malfunction, overflow
