Stopwatch Testing Device UPM-1
US$900-3,000
Setting range of time interval duration when calibrating stopwatches with electric start:
2·10?? – 4·10?
Absolute error limits for calibration of stopwatches with electric start:
±(1.5-10-? + Tint-10-?)
RES LLC 🇷🇺
Stopwatch Calibration System UPM-1V
US$900-3,000
Basic parameters for the verification of electric and electronic stopwatches with electric start, range of set duration:
2·10?? – 4·10?
Absolute error limits for the verification of electric and electronic stopwatches with electric start:
±(50-10-? + Tint-?op)
RES LLC 🇷🇺