FS2001+ Nuclear Radiation Dosimeter Geiger Counter Marble Tester Beta Gamma X-ray Y-ray B-ray tube Nuclear Radiation Detector Alarm Applicable testing: Living environment: air radiation, granite radiation, decorative radiation, marble radiation, gem radiation, floor tile radiation, imported goods radiation Medical environment: radiotherapy radiation, x-ray machine radiation, hospital peripheral radiation, radiology, CT radiator, iodine 131 treatment Industrial high-risk environment: all radioactive industrial environment and nuclear energy equipment, nuclear military radiation, nuclear power plants, radiation radiation, waste steel mine radiation, non-destructive testing Product Features: 1. Three kinds of ray X-ray -ray -ray detection, hospital radiation detection, stone radiation detection. 2. Double metering (current volume and cumulative) display. 3. Chinese and English language display. 4. comes with five kinds of detection units. Product information: Operating temperature: -40-60 Product packaging size: 15 * 10 * 30cm Detector: Energy compensation GM tube (Geiger count tube) Dose Equivalent: 0.00-1000USV / H (10 mSV / H) Accumulated dose equivalent: 0.00USV-500mSV Energy range: 48kev-1.5MeV 30% Language: Chinese + English, any switch Relative inherent error: 5% Dose unit: uSV / h, uGy / h, mR / h, cps, cpm any switch Power supply battery: AAA battery * 2(not included) Battery Standby Time: 30 days Alarm mode: sound, vibration, light Product List: Nuclear Radiation Detector * English manual * 1, clip * 1 instrument package * 1