The GM-41 Detector is a high range gamma radiation detector used to measure dose rates in relatively “hot” areas such as inside an unshielded Cyclotron Bunker and inside Hot cells.
| Geiger Type | ZP-1313 or equivalent |
| Measuring Range | 50 µSv/h – 1 Sv/h (5 mR/h – 100 R/h) |
| Sensitivity | 1.7 cps/mR/h |
| Accuracy | ± 10% reading within the measuring range |
| Energy Range | 50 keV – 1.3 MeV |
| Energy Dependence | ± 15% |
| 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: | 170 mm (6.7”) Length x 38 mm (1.5”) Diameter |
| Weight | 200 gr (0.44 lb) |
| Casing | Aluminum, splash proof |
| Hook-up cable length | up to 100 m |
| Output signals | TTL pulses (5V, 5ms) |
| Detector status logic: | |
| identification, malfunction, overflow |
