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 6610-01-327-3187
NSN 6135-01-142-2417
NSN 5935-00-484-9471
NSN 6135-01-050-3194
NSN 6320-00-674-1361
NSN 5965-00-147-3070
NSN 5915-01-399-3273
NSN 6645-01-487-4341
NSN 6650-01-246-8262
NSN 6150-01-399-7843
NSN 6610-01-616-3070
NSN 5905-01-024-5462