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 6145-00-515-6931
NSN 5895-00-717-8878
NSN 6240-01-395-9162
NSN 5905-01-016-8698
NSN 5935-01-057-9683
NSN 4140-00-159-8471
NSN 5999-01-586-5836
NSN 5905-00-494-6094
NSN 5996-00-774-8134
NSN 5935-01-510-6357
NSN 2925-01-575-7376
NSN 6650-01-446-8752