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 4140-01-149-3490
NSN 5985-00-900-7449
NSN 6610-01-503-0153
NSN 5965-01-350-1890
NSN 5915-01-418-4776
NSN 5920-01-353-1384
NSN 4140-00-953-2004
NSN 5965-00-513-1352
NSN 5945-01-655-7287
NSN 5905-00-711-2374
NSN 5985-00-872-1905
NSN 5999-01-485-6396