Upgraded Geiger Counter Nuclear Radiation Detector Personal Dosimeter Marble Radiation Tester

Note New appearance update from 2019 6 10thThe upgraded functions are as follows 1 cumulative function2 batteries can be charged 3 volume is greatly reduced 10 4 6 9 2 9mm Features 1 High sensitivity 2 Wide measuring range 3 Advantages of long life 4 Using of sophisticated military grade GM tube as the core sensor Use 1 Material inspection 2 environmental test 3 Radiology Protection 4 Radiopharmaceuticals screening Specifications 1 Detectable species Beta Gamma X ray2 Sensor Type GM tube3 Energy Range 50kev 1 5mev less than 30 4 Relative intrinsic error less than plus or minus 10 5 Sensitivity 80cpm USV co 606 The maximum dose equivalent rate 99 99usv h7 Voice Source Real particle sound Alarm sound Mute8 The use of ambient temperature 25 45℃9 Relative humidity less than 95 10 Power supply 2 x AA rechargeable batteries NOT included Instructions 1 power button ON to boot Boot automatically display real time monitoring interface2 After the shutdown press and hold off zero current consumption3 Triangular start button is used to measure the mean Natural environment there is background radiation background radiation It will fluctuate within a certain range 4 The top of the screen displays a blue font for the second real time update of the dose rate which is characterized by large fluctuations update speed real time is the mean of the middle of the red font display is a mean dose rate period when detecting an item or the environm