HFS-A3 x, , radiometer adopts high precise Geiger-Muller tube radiation detector and high-end low-power intelligent terminal chip, which provides high sensitivity radiation detection capability and data processing function with high detection accuracy. It is equipped with white OLED screen, the tested data can be visualized seen at night. There are two alarm modes: sound and flash, and the alarm threshold can be set by yourself. Small size, fast response time, and wider dose measurement ranges of professional wearable instruments. It can be widely used in environmental protecting, metallurgy, flaw detection, food and other industries, as well as the detection of excessive radiation in the human environment. Specifications: Name: Nuclear Radiation Detector Material: plastics Color: orange, green (optional) Battery: 1 * built-in 300mAh rechargeable battery (included) Detection Type: ，，X rays Detector: 90mm Geiger-Muller counting tube Measuring Ranges: Dose equivalent rate: 0.01Sv/h~1000Sv/h Dose equivalent: 0.00Sv~300mSv Relative Basic Error: Dose equivalent rate: 20% (green); 10% (orange) Dose equivalent: 20% (green); 10% (orange) Working Environment: Temperature: -20 to 50 Humidity: <95%RH, no condensation Endurance: 20Hour (green); 50Hour (orange) Charging time: 2-3Hour Charging interface: Type-C interface Alarm response time td: <10s Item size: 19 * 19 * 134mm / 0.75 * 0.75 * 5.28in Item weight: 30g / 1.06ounce Package size: 120 * 50 * 20mm / 4.72 * 1.97 * 0.79in Package weight: 95g / 3.35ounce Packing List: 1 * Nuclear Radiation Detector