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It serves to produce audio signaling when the preset
threshold levels of DER and DE are exceeded, as well
when the alarm clock is triggered.
An energy compensated gas discharge Geiger-
Muller counter of SBM-21 type is used as the ionizing
radiation detectors (IRD). It is intended to detect gamma
and X-ray radiation, the parameters of which are
measured by the dosimeter.
The LCD is a multiplex type four-digit display and
serves to visualize the results of measurements in
different operating modes of
the
dosimeter.