Stopwatch SOPpr-2a-3-000 mechanical stopwatch.
Stopwatch СОПпр-2а-3-000 is a single-shot mechanical stopwatch, third accuracy class, with a simple action mechanism of hands control, with an interrupted clock mechanism operation.
IT is designed to measure time intervals in minutes, seconds and fractions of a second. Used during sports competitions as well as in scientific research, laboratory work and timekeeping.
Features a 60-second scale with 0.2 sec. and a 30-minute counter with 1 min. The 42 mm caliber stopwatch movement with 15 ruby stones has a spring motor, an anchor stroke and a balance-spring oscillating system with a 0.4 second oscillating period.
To control the hands the stopwatch mechanism SOPpr-2a-3-000 is equipped with a special lever device of simple action. Starting, stopping and returning the hands to zero is done by successive presses on the crown.
The stopwatch is made in a metal chrome-plated case and its dial is covered with white enamel and the numerals and hands are black. The model has no shock protection for the balance assembly.
Technical specifications
Accuracy class
3
Seconds capacity, s
60
Capacity of minute scale, min
30
Seconds scale divisional value, s
0,2
Minute scale value, min
1
Operating temperature range, °С
-20...+40
Overall dimensions (max), mm
50x18x70
Weight, g
150
Housing
metal, chromeplated