Abstract
A remote-controlled spectrometric collimated detector has been developed for remote radiation examination of reactor rooms. The apparatus consists of a collimated γ-ray detector, a color video camera and a controller, all secured on a rotating apparatus and rods. An on-board computer, a SKS-08 Kolibri spectrum analyzer, a power supply for the apparatus, and a controller for rotating apparatus are arranged in the controller. Three interchangeable sensors for changing the sensitivity of the apparatus – two CsI(Tl) scintillators – 20 and 5 cm3 photodiodes of the scintillator and a 60 mm3 CdZnTe semiconductor sensor. The collimated detector is for remote measurement of the radiation of high-level radwastes extracted from the storage pool in the reactor room. At the stage of preparation for and planning of the work, it can be used to determine the main sources of contamination and evaluate the dose distribution fields.
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