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The DRGZ-02 scintillation dosimeter has been produced since 1975. The dosimeter is designed to measure the exposure dose rate of x-ray and gamma radiation in laboratory and industrial conditions. The range of measured exposure dose rates of x-ray and gamma radiation of the dosimeter is from 0 to 2.52 * 10-7 A / kg (from 0 to 100 μR / s). This range is divided into the following subranges: from 0 to 0.1 μR / s, from 0 to 0.3 μR / s, from 0 to 1.0 μR / s, from 0 to 3.0 μR / s, from 0 to 10.0 μR / s, from 0 to 30.0 μR / s, from 0 to 100.0 μR / s. The range of effective energies of quanta of the detected x-ray and gamma radiation is from 3.2 * 10-15 to 480 * 10-15 J (from 20 to 3000 keV). The limits of the basic error of measurements of the exposure dose rate are divided into subranges: from 0.1 to 0.3 μR / s 15% (the remaining subranges are 10%). The energy dependence of the device when measuring the energy of x-ray and gamma radiation in the range from 20 to 3000 keV is 25% relative to the readings of the radiation energy of 1250 keV (cobalt-60). The dosimeter has radiation immunity with respect to fast neutrons, which provides a measurement of the dose rate of x-ray and gamma radiation with a stream of fast neutrons of 20 neutrons / cm2 * s with an additional error not exceeding / - 1% relative to the maximum permissible dose rate of x-ray or gamma radiation 0.8 μR / s. The radiation resistance of the dosimeter is determined by the limiting value of the absorbed dose in the scintillating plastic of the detection unit and is at least 1000 J / kg. The dosimeter is powered by a 220-volt network or from 12 RT-85 mercury-zinc elements. Current consumption 10 mA. Dimensions of the console 200x160x95 mm. Dimensions of the detection unit 50x330 mm. The mass of the console is 2.3 kg, the detection is 0.7 kg. Information and photos from the site: http://forum.rhbz.org/