Feature: 1. AUTOMATIC DATA STORAGE: Nuclear radiation detector come with automatic data record storage function, can store 1000 groups 2. VOICE BROADCAST WITH COLOR VISUAL SIGNAL: Support voice broadcast operating system, full color visual signal, convenient to use and operate 3. WIDE APPLICATION: Widely used in home improvement radiation, processing enterprises, radiation therapy, nuclear laboratories, petrochemical industry, survey 4. RAYS TESTING: Beta gamma X ray tester support various types of detectable rays, contain beta rays, gamma rays, X rays 5. SENSOR TYPE: Dosimeter monitor adopt energy compensation GM tube, bring accurate sensing, improve working high efficiency Specification: Item Type: Nuclear Radiation Detector Model: TC-8500 Material: ABS Uses: Home improvement radiation, processing enterprises, radiation therapy, nuclear laboratories, petrochemical industry, surveys Battery: 18650 lithium battery 3.7V 2200mAh Basic Parameters: Sensor Type: Energy compensation type GM tube Detectable Types: Beta rays, gamma rays, X rays Energy Range: 20Kev~3.0mev≤±30% (137Cs-) Sensitivity: 80cpm/μSV/(Co 60) Test Accuracy: 0.01μSV/h Real Time Range: 0~99.99μSV/h Accumulated Mileage: 0~99.99μSV/h Real Time Error: ≤10% Mean Error: ≤3% Data Record: 1000 Groups Temperature Range: -20~60℃ Temperature Resolution: 0.1% Temperature Accuracy: ±2℃ Humidity Measurement Range: 0~100% Humidity Accuracy: ±3% Humidity Resolution: 0.1%. Package List: 1 x Host1 x USB Data Cable1 x Triangle Bracket1 x User Manual1 x Plastic Box Note: When testing in strong radiation areas, please do your own safety protection.