Bullet Sensors & Transducers Magazine (e-Digest), Vol. 52, Issue 2,  February 2005: Product News

    (ISSN 1726- 5479)


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New Russian DRGB-90 Radiation Dosimeter Gives Audible and Visible Measurement



The DRGB-90 radiation dosimeter gives audible and visible measurement of radiation levels (hard beta-rays and hard-gamma rays).  It can be used to check the background radiation in a house or workplace and check for contaminated products or food.  The measuring instrument neither emit radiation and no have any harmful effect on the user or environment. The dosimeter is based on a Geiger counter and was made by a Russian military manufacturer.


The device's analog indicator has two scales. The upper scale is in microsieverts per hour (μSv/h). This scale has three parts: green for radiation levels comparable to the natural background, yellow for high but allowable levels, and red for dangerous levels. The lower scale works by the same way but is graduated in microroentgens per hour (μR/h). The range switch has two settings: “x1” for measuring values indicated on the meter (0-3 microroentgens) and “x10” for measuring values 10 times higher (0-30 microroentgens). The “Search” switch turns on or off the sound signal The “light” button illuminates the meter. The “dump” button zeroes out the accumulated reading before taking another measurement and before switching ranges.


Measurement accumulation (integration) time is 60 s. The power supply consists of three AA batteries. One set of batteries will operate the radiation dosimeter continuously for at least 300 hours under natural background radiation conditions. The radiation dosimeter weighs is 0.25 kg. The dosimeter is intended for use at temperatures from 263 to 313 °K (-10 to 40 °C, 14 to 104 °F).



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Radiation Control Devices and Dosimeters:


DRGB-90 Radiation Dosimeter









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