915 Generation Radiation Tester Geiger Counter Portable Digital Dose

This portable dose alarm has a highly sensitive sensor (geiger counter) and an advanced chip.
Dual display of the equivalent dose rate (DER): current and cumulative. And the dual alarm values can be preset, with sound, vibration or light alarm to from.
128 x 64 resolution, clear digital display for easy reading, /English switchable, with power-off memory function. Powered by 2 AAA batteries (not included), with low voltage indicator.
Control buttons for easy operation, 3 detection units can be switched. and lightweight, convenient to carry.
It can be widely used in environments, factories, altitudes / ionising / nuclear radiation environments, steel/mineral/stone detection, iodine 131 detection and so on. Energy range: 50 keV ~ 1.5 MeV less than ± 30% (for 137 -)
Relative -error: less than 8% (137CS1mSv/h)
Detector: Energy Compensation Tube (Geiger Counter)
Operating environment: -10~45°C, less than 95% RH (45°C).
Item Size: 102 x 69 x 26 mm / 4.02 x 2.72 x 1.02 inch
Material:plastic
colour:Black Package Contents:
1 * geiger counter Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.