Application: 1. Rapid on-site nondestructive testing of gamma radiation of stone, ceramic tile and other building materials products, and judgment of A, B and C levels of stone, ceramic tile 2. Geological prospecting, radioactive environmental assessment, environmental protection and health monitoring, construction supervision and other fields 3. Rapid assessment of indoor environmental radioactivity Functional features: High sensitivity, wide range of energy response, low power consumption, good stability, easy to operate, Chinese display of the tested stone A, B, C categories, but also show the counting rate and absorption dose rate. Technical indicators: 1. Measurement mode: Conventional measurement: measure every 3s to show the average value per second; Timing measurement: any measurement in 10s, 30s, 60s, 300s and 600s can be selected independently, and the average value per second can be displayed by the instrument 2. Measurement range: 0.01-100 micgy /h 3. Energy threshold: 40keV 4. Linear measurement: the correlation coefficient of gamma and CPS is greater than or equal to 0.999 5. Long-term stability: less than 6% (continuous working for 8h) 6. Accuracy: < 20% 7.Sensitivity: 1 micgy /h (103nGy/h) the count is greater than 350s-1 8. Power supply: 3 sections of no.1 battery 9. Power consumption: less than or equal to 100mW 10. Operating environment: Temperature (0 ~ 40 ° C) Humidity: 90% or less (40 ° C) 11. External dimensions and weight (including packing cases) :(350 * 200 * 250) mm; 6 kg
Application: 1. Rapid on-site nondestructive testing of gamma radiation of stone, ceramic tile and other building materials products, and judgment of A, B and C levels of stone, ceramic tile 2. Geological prospecting, radioactive environmental assessment, environmental protection and health monitoring, construction supervision and other fields 3. Rapid assessment of indoor environmental radioactivity
