Nuclear Radiation Detector Geiger Counter Dosimeter Marble Tester

Features:
High sensitivity, wide measuring range, has a long service life.
Smaller body, larger screen, clearer measurement data and easier operation.
Can be applied to material inspection, environmental test, radiology protection, radiopharmaceutical screening, etc.
With mute, alarm, particle sound selection button, test, mean value reset retest selection button, backlight can be turned on or off.

Specifications:
Material: ABS
Color: black
Model: BR-9B
Screen size: 57 * 43mm / 2.2 * 1.7in
Sensor type: energy compensation type GM tube
Detectable types: Beta, Gamma, X-ray
Energy range: 20kev~3.0mev≤±30%(137Cs-)
Sensitivity: 80cpm/μsv/(Co-60)
Test accuracy: 0.01μsv/h
Real-time range: 0-99.99μsv/h
Cumulative range: 0-99.999msv
Real-time error: ≤10%
Mean error: ≤3%
Battery: 3 * AA 1.5V battery or 3 * 1.2V rechargeable battery (not included)
Charging: USB 5V 2A input
Charging time: ≥4 hours
Item size: 105 * 70 * 30mm / 4.1 * 2.8 * 1.2in
Item weight: 106g / 3.7ounce
Package size: 150 * 100 * 55mm / 5.9 * 3.9 * 2.2in
Package weight: 122g / 4.3ounce

Packing List:
1 * Nuclear Radiation Detector
1 * User Manual