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 4140-00-768-2855
NSN 6685-00-170-9237
NSN 5975-00-734-6243
NSN 6685-01-384-3143
NSN 5915-00-711-1820
NSN 6320-01-610-4410
NSN 6145-00-500-5679
NSN 6610-01-332-5126
NSN 6610-00-726-9421
NSN 6130-01-258-7694
NSN 5985-01-502-8631
NSN 5925-01-157-7805