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 5985-01-290-4853
NSN 5920-01-525-6403
NSN 5996-01-361-8299
NSN 6620-00-241-5264
NSN 6320-01-476-7702
NSN 6150-00-957-2459
NSN 5920-01-597-3199
NSN 5945-01-364-1950
NSN 5935-00-633-8302
NSN 6130-01-051-9435
NSN 5915-00-262-4390
NSN 4140-01-191-1247