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 5915-00-078-9574
NSN 5925-01-296-2604
NSN 2925-01-510-9378
NSN 6650-01-418-0790
NSN 5930-01-177-4260
NSN 5945-01-202-3296
NSN 5975-01-657-5060
NSN 5999-01-194-4496
NSN 5930-01-054-2055
NSN 6145-01-118-3195
NSN 5905-01-435-6357
NSN 6610-01-081-9237