The RBG-T-62 radiometer was made in two versions as RBG-T-62 and RBG-T-62a. The second version differed in the number of amplification stages, it had one more, and externally in the shape of the scale, which was a straight line, compared to the original arc. They were used to measure the degree of radioactive targeting of people, combat equipment, objects, food and water. They were also used to detect low levels of radiation, for example in aerial radiation surveys up to 150 m (barometric air pressure 860 to 1060 mb. Beta radiation was measured in nuclide decays per minute per square cm, or gamma radiation was measured in milliroentgens per hour (mR/h). The probe is self-contained, connected by a twisted cord using a connector. The power supply is from two monocells, 2 x 1.5V. The weight of the whole set is max. 3,5 kg. The maximum value on the scale is 250.000 decays/min per square cm. By changing the position of the shielding part of the probe, the beta 1, beta 2 and gamma range is switched. In the beta 2 position the max range is 2,500,000 decays/min per square cm. For the gamma value, 2,500 decays equals 1 mR/h.
Source: Chem-22-3/1 (1973)
URL : https://www.valka.cz/CZK-RBG-T-62-radiometer-beta-gama-t84273#309621
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