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 6150-01-177-5115
NSN 4140-00-422-5571
NSN 5925-01-175-8204
NSN 5996-01-539-9348
NSN 6110-00-924-1145
NSN 6135-00-919-1117
NSN 6685-01-354-0752
NSN 6130-01-026-0258
NSN 5945-00-470-5080
NSN 5999-01-106-2705
NSN 6220-01-650-0228
NSN 5998-00-196-2856