Introduction to Portable Intelligent Gamma Radiometer:
Portable intelligent gamma radiometerSuitable for the survey of radioactive deposits, environmental assessment, measurement of radioactive sites, environmental monitoring, radioactive detection of imported and exported goods and transported goods, etc.Portable intelligent gamma radiometerCompliant standard/regulation EJ/T 584-2014 "Portable Gamma Radiometer and Four channel Gamma Spectrometer for Exploration". This instrument has high sensitivity, GPS satellite positioning, large capacity data storage, easy operation, Chinese LCD display, sound alarm, Bluetooth wireless data communication, etc. The portable intelligent gamma radiometer was awarded the second prize for scientific and technological progress by the National Defense Science and Technology Commission in 2007.
Technical Indicators:
1. Measurement range
Content: (1~30000) Ur (equivalent uranium)
Exposure rate: (0.30~5000) nC · kg -1 · h -1
Air specific kinetic energy release rate: (0.01~300) μ Gy · h -1
2. Sensitivity
Content: ≥ 5 s-1/Ur
Exposure rate: ≥ 30 s-1/nC · kg -1 · h -1
3. Energy threshold: 40 keV
4. Stability: Relative error ≤ 5% (8h)
5. Nonlinear: ≤ 10%
6. Accuracy
Maximum allowable error for gamma measurement: ± 5%
Maximum allowable error for GPS positioning: 5m
7. Power consumption: 4 Ni MH batteries, power consumption ≤ 700 mW
(≤ 900 mW when GPS is added)
8. Operating environment
Temperature: (-5~+50) ° C
Relative humidity: ≤ 95% (+40 ° C)
9. Alarm threshold: CNC adjustable
10. Measurement time: (3~9999) s optional
11. Storage capacity: 120000 measurement point data
12. Dimensions and weight
Long length: (673 × 51 × 230) mm 1.4 kg
Short version: (371 × 51 × 230) mm 1.2 kg
