Time, Frequency, & Tachometers

Indiana Standards Laboratory offers ISO/IEC-17025 accredited calibration of frequency counters, stop watches, and tachometers using standards traceable to a National Metrological Institute such as NIST(US).

Time Interval
  • 0.1 ns to 1010 s
Frequency (Measure)
  • 10 Hz to 26 GHz
Frequency (Source)
  • 10 Hz to 2 GHz
Stop Watches
  • (1 to 3600) s
Tachometers (Contact)
  • (55 to 40000) rpm, (100 to 1000) ft/min
Tachometers (Non-contract) Strobo & Photo
  • (6 to 100,000) rpm
Rpm (measure)
  • (6 to 100,000) rpm