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 5910-01-013-5777
NSN 5999-00-948-9249
NSN 5998-01-303-4659
NSN 5925-01-571-0564
NSN 5985-00-346-6336
NSN 5945-01-116-6665
NSN 5855-01-359-0373
NSN 5998-01-503-5516
NSN 5935-01-551-4489
NSN 4140-01-352-2924
NSN 6650-01-451-0590
NSN 6130-01-308-6190