1. Alarm threshold can be set arbitrarily, with over threshold sound and light alarms
2. Management personnel can calibrate instruments by modifying the scale factor
3. Large screen display with backlight
4. Equipped with overload sound and light alarm
5. Optional Bluetooth wireless function application fields

1. Radiation type: X，γ
2. Detector: Φ 50 × 40 mm, NaI (Tl) crystal
3. Measurement range: 0.01-200 μ Sv/h
4. Sensitivity: greater than 1500cps/uSv/h
5. Measurement accuracy: ± 15% (100 μ Sv/h, 137Cs)
6. Energy response: 40 keV -3 MeV
7. Response time:< 1 s
8. Power supply mode: 4 AA 1.5V batteries, with a low power consumption of 240mW
9. Mechanical dimensions: length 280 mm x height 200 mm x thickness 120 mm
10. Temperature and humidity characteristics:- 10℃-+50℃，RH95%(35℃)
11. Weight: 1200g

This instrument can be used by environmental protection departments to detect environmental background conditions, radiation testing near medical radiation equipment, non-destructive testing (i.e. radiographic testing) devices for radiation leaks, and environmental background measurement in residential areas near nuclear power plants.