Stopwatch SOSpr-2B-2-010 two-button summing action
The stopwatch is designed to measure time in minutes, seconds and fractions of a second; it is used in sports competitions, as well as in scientific research and timing.
Stopwatches are issued on the basis of the certificate of type approval of measuring instruments RU.C.33.059.A No. 42780, valid until April 22, 2021.
The stopwatch mechanism of 42 mm caliber on 16 ruby stones has a spring motor, an anchor stroke and an oscillating system "balance - spiral" with an oscillation period of 0.4 s.
Duration of work from one full charge is not less than 18 hours.
To control the hands, the stopwatch mechanism is equipped with a special summing device. The hands are started and stopped by pressing the crown, the return to zero - by pressing the button.
The stopwatch has a 60-second scale with a division of 0.2 s and a 60-minute counter with a division of 1 minute.
Stopwatch body, metal, chrome.
Accuracy class 2.
Permissible error for 10 min, s ± 0.6.
Permissible error for 60 min, s ± 1.8.
Operating temperature range, ° С - 20 ... + 40.
Overall dimensions (no more), mm d55x19x76.
Weight 0.12 kg
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