An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5998-01-469-1537
NSN 5930-00-833-8458
NSN 5935-01-145-5906
NSN 5975-01-146-8471
NSN 5965-01-023-0809
NSN 2925-00-816-8765
NSN 6240-01-625-1279
NSN 5965-01-519-8228
NSN 5960-00-409-9604
NSN 6240-01-596-3183
NSN 5998-01-091-3077
NSN 5835-01-357-9235