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 6135-00-321-6707
NSN 5945-00-675-8975
NSN 6685-01-552-2017
NSN 6110-01-534-3881
NSN 5965-01-563-0489
NSN 6650-01-547-8928
NSN 5855-01-145-4903
NSN 6110-00-596-9124
NSN 6240-00-450-8889
NSN 7035-00-403-5340
NSN 6685-00-752-4429
NSN 5999-01-579-5536