FS2001+Nuclear Radiation Dosimeter Geiger Counter Marble Tester Beta Gamma X-ray Y-ray B-ray tube Nuclear Radiation Detector AlarmApplicable testing:Living environment: air radiation, granite radiation, decorative radiation, marble radiation, gem radiation, floor tile radiation, imported goods radiationMedical environment: radiotherapy radiation, x-ray machine radiation, hospital peripheral radiation, radiology, CT radiator, iodine 131 treatmentIndustrial 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 testingProduct 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 * 30cmDetector: Energy compensation GM tube (Geiger count tube)Dose Equivalent: 0.00-1000USV / H (10 mSV / H)Accumulated dose equivalent: 0.00USV-500mSVEnergy range: 48kev-1.5MeV 30%Language: Chinese + English, any switchRelative inherent error: 5%Dose unit: uSV / h, uGy / h, mR / h, cps, cpm any switchPower supply battery: AAA battery * 2(not included)Battery Standby Time: 30 daysAlarm mode: sound, vibration, lightProduct List:Nuclear Radiation Detector *English manual * 1,clip * 1instrument package * 1