| Monitored Radiation | 
            γ | 
        
        
            | GM Tube Type | 
            GM0N: ZP 1301 or equivalent; GM1N: ZP 1313 or equivalent; GM2N: ZP 1201 or equivalent | 
        
        
            | Measurement Range | 
            GM0N: 250 mSv/h to 10 Sv/h; GM1N: 50 mSv/h to 1 Sv/h; GM2N: 0.1 mSv/h to 10 mSv/h | 
        
        
            | Sensitivity | 
            GM0N: 30 cps/mSv/h; GM1N: 170 cps/mSv/h; GM2N: 1650 cps/mSv/h | 
        
        
            | Accuracy | 
            ± 15% | 
        
        
            | Energy Range | 
            GM0N: 70 KeV to 1.3 MeV; GM1N: 50 KeV to 1.3 MeV; GM2N: 50 KeV to 1.3 MeV | 
        
        
            | Energy Response | 
            GM0N: ± 20%; GM1N: ± 15%; GM2N: ± 20% | 
        
        
            | Angular Response | 
            ± 20% within ± 45° | 
        
        
            | Dimensions | 
            Length: 222.5 mm (8.76"); Diameter: 38 mm (1.5") | 
        
        
            | Weight | 
            220 g (0.48 lb) | 
        
        
            | Temperature | 
            Operation: - 10°C to + 50°C; Storage: - 20°C to + 60°C |