Pen Geiger Counter Nuclear Radiation Detector Dosimeter Beta Gamma X-Ray Tester

Features: - Brand new and high quality - Made of high quality materials durable - Measure the dose rate in real time and record the cumulative dose and the interval average value at the same time. The measurement error range is small and it can pass the national measurement standard - The dose rate alarm threshold and metering alarm threshold can be set by pressing the button. It has an over-metering alarm function. The sound and light alarm will automatically start the test when it is turned on and the operation is simple. - Small size and light weight the pen clip design is easy to carry around - Built-in rechargeable lithium battery which can be continuously tested for 50 hours after being fully charged and can be continuously measured after the display automatically sleeps - White light OLED display design clear display and can read normally at night with sensor fault prompt function (the display shows Device Fault ) Specification: - Sensor: 48mm Geiger counter tube - Measurement range: 0.05uSv-50mSv - Measurement accuracy: -17%~+25% based on 137Cs y - Working environment: temperature -20℃~50℃; humidity