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 5945-00-844-4538
NSN 4140-01-595-6372
NSN 6650-00-012-2430
NSN 6685-01-595-9054
NSN 6610-01-613-1831
NSN 5999-01-366-6024
NSN 6110-01-355-9732
NSN 5920-00-294-0753
NSN 6130-01-359-9532
NSN 5999-00-205-0918
NSN 5975-01-384-3019
NSN 6130-01-392-5006