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 6110-00-538-1313
NSN 7035-00-616-4410
NSN 5985-01-234-0604
NSN 2925-01-599-1901
NSN 6130-01-106-8942
NSN 5935-01-420-7008
NSN 6685-00-148-9729
NSN 5960-01-359-4257
NSN 5975-01-435-2681
NSN 5999-01-220-9548
NSN 5925-01-174-6558
NSN 6650-01-589-3585