FIELD: computer engineering. SUBSTANCE: counter has electrode, metallized tape, high-voltage capacitor connected in parallel with electrode, hold-down device, tape drive, high-voltage and pre-count units, RC circuit, breakdown pulse frequency meter, control unit, switching device. It is also provided with detector recharging device that has turntable with annular groove and receiving seat of detector holders whose depth is not greater than thickness of detectors. Holders have code holes and position lock; they are placed in accumulator made in the form of tube. EFFECT: improved design. 6 dwg, 1 tbl
