FS2011 Nuclear Radiation Meter Personal Dosimeter Measure Radioactivity Detector Gamma X-ray LCD Sound Alarm Radiation Tester Features: 1. Monitor X, gamma and hard beta rays. 2. The instrument has high sensitivity. 3. Detailed operation interface. 4. Simultaneous monitoring and display of dose rate and metering rate averages 5. Data is detected and updated in real time. 6. LCD 7. Low power consumption, with battery undervoltage indication function. 8. The instrument can preset dose rate alarm threshold 9. Optional sound alarm Technical indicators: 1. Detection rays: gamma, X and hard beta rays 2. Detector: Energy Compensation GM Tube (Geiger Counter Tube) 3. Measuring range Dose equivalent rate: 0.01~1000μSv/h 4. Relative inherent error: ≤±15% (137CS 1mSv/h) 5. Sensitivity: 80CPM/μSv/h (for Co-60) 6. Alarm threshold Dose rate: optional at 0.5, 1.0, 2.0., 2.5, 5.0, 10.0, 50.0, 100.0μSv/h 7. Dose rate unit: μSv/h 8. Measurement display: dose rate display per second, 9. Use environment: temperature -10℃~ +45℃ Relative humidity: ≤95% (+45℃) Power supply: built-in lithium battery PACKAGE includes: Host*1 USB cable*1 Manual*1 Certificate*1