Features 【Function】: The instrument uses radioactive detector array with high detection efficiency, suitable for βγ X-ray dose rate monitoring. It has 2 detection methods, 3 alarm modes and multiple alarm thresholds. With 24-hour real-time monitoring, users can check anytime, anywhere. 【Precise Geiger Counter】: Professional geiger counter radioactivity, The Geiger core radiation detector has audible and visual signals built-in for the level of radiation captured. The nuclear radiation detector uses a complex GM tube as the core sensor, small error, 0.01 UPS/h high precision to ensure accurate measurement, high sensitivity, wide measurement range, long-lasting benefits. 【Accurate data processing】:The nuclear radiation detector is equipped with an LCD display, provides a clear display and is easy to use. Equipped with a built-in electromagnetic radiation sensor, the radiation value can be displayed on a clear LCD digital display after processing by the control microchip. 【Wide Application】:Portable Geiger radiation protection, professional and high product accuracy and stability, It can be used for inspection of materials, environmental testing, radiation protection, radiopharmaceutical detection etc, also very suitable for daily use, hospitals, industry, etc. 【Customer Service Guarantee】: We care about every customer's feeling. If this product does not meet or exceed your expectations, please contact us first, we will solve the problem immediately. Features: Nuclear radiation detector with LCD display, clear reading, easy to use. The instrument uses a radioactive detector array with high detection efficiency, suitable for dose rate monitoring of beta-gamma X-rays. It has two kinds of detection methods, three kinds of alarm modes, and different alarm thresholds. It also has English display interface, which is more convenient for users to check. 24-hour real-time monitoring allows users to check anytime, anywhere. This product can be used in medical environment, factory environment, home environment, gemstone testing, ore testing, etc. Specification: Condition: 100% Brand New Item Type: Radiation Detector Material: ABS Color: As shown in the picture Model: FS2011 Size: approx. 135 x 70 x 25 mm Weight: approx. 200 g. Detector: Energy compensated FM tube (Geiger counter tube) Energy range: 50KVE-1.5MEV ≤ ±30% Measurement shows: dose rate is displayed per second, protection alarm is less than 5 seconds A Dose equivalent rate: 0.01-1000 MSV (maximum 10 MSV/h) B Cumulative Dose Equivalent: 0.01MSV~500.0MSV Fairly Inherent Error: ≤ ±15% (137CS 1 msv/h) A dose rate: 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0, 50.0, 100 MSV B Cumulative dose rate: 0.05, 0.5,1,0,2.0, 5.0, 10.0, 20.0, 50.0, 100MSV Operating Environment: Temperature -10°~+45° Relative Humidity: ≤95%(+45°) Power supply: 2 x AA battery (not included) Voltage: 3V Rated power: 50Hz Package list: 1 x Nuclear Radiation Detector 1 * Instruction Manual 1 * Warranty Card Package List