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 6620-01-419-5929
NSN 5905-01-220-7215
NSN 6130-00-263-7869
NSN 4140-01-275-5234
NSN 5855-00-782-7714
NSN 6220-01-514-9436
NSN 6650-01-585-0748
NSN 6620-01-473-5163
NSN 5998-00-185-6029
NSN 5935-01-038-3816
NSN 4140-01-232-1026
NSN 6145-01-082-2821