RADEX 1503+ with Dosimeter


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The pitch of the RADEX 1503+ is that it is a Geiger counter that is simple, reliable and, at under $200, affordable.

The device is tested by the Japanese Consumer Protection Agency, measures in micro sieverts (modern units) and in older mRems, and has both audio and vibration alarms. Detection range is 0.05 – 9.99 uSv/h with no additional calibration required.

RadexRead features:
• Detect and measure β (Beta), γ (Gamma) and X-ray Radiation
• Simple interface
• Multi-threshold audio alarm with range from 0.10 to 0.90 µSv/h
• Background mode detection: designed to identify sources of higher radiation compared to base level

The RADEX 1503+ has a plastic body that is 2.3 x 4.3 x 1.0 inches and weighs 3.2 ounces and requires 2 x AAA batteries. The 1503+ carries a 1 year warranty.

Note that the 1503+ is the updated version of the popular RADEX 1503 model by Quadra-Rad, so avoid the RADEX 1053. New features include:
• Graduated change of a threshold signal in the range from 0.10 to 0.90 µSv/h with an 0.10 µSv/h interval (available in individual settings).
• Background dose rate is saved even when the device is turned off.
• Displays the difference of the dose rate between the averaged and background values.
• Includes vibration signal and audio alarm (both adjustable).
• Added animation of the pressed command button (the icon of the button starts blinking on the display).

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