Radiation Tester Geiger Counter Radioactive Portable Digital Dose Alarm X Hard Beam Geiger Counter Dosimeter Monitor

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 method to choose from. 128 x 64 resolution clear digital display for easy reading Chinese/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. Compact 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 equal ± 30% (for 137 -) Relative self-error: less than equal 8% (137CS1mSv/h) Detector: Energy Compensation Tube (Geiger Counter) Operating environment: -10~45°C less than equal 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 products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.