USSR Vintage Counter SED-2 / СЭД-2 1979 (rare)
The size of the numbers of the counting wheel, mm 6x3. Weight, kg 2.0 kg. Quenching pulse duration, s 1 ± 0.2.
The size of the numbers of the counting wheel, mm 6x3. Weight, kg 2.0 kg. Quenching pulse duration, s 1 ± 0.2.