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 5925-01-533-6306
NSN 6240-00-871-8798
NSN 5990-00-658-3953
NSN 5925-00-820-6415
NSN 5998-01-429-5175
NSN 5975-01-096-3879
NSN 6150-00-233-6356
NSN 6650-01-057-2377
NSN 6320-00-174-1362
NSN 5915-01-432-0324
NSN 6130-01-039-5439
NSN 4140-01-429-8545