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 5999-01-494-6352
NSN 5930-01-230-0721
NSN 5965-01-149-8000
NSN 6685-01-450-1431
NSN 5965-01-537-0023
NSN 7035-01-462-5766
NSN 5965-01-513-9978
NSN 6130-01-418-0786
NSN 6320-01-072-2073
NSN 5925-00-828-2267
NSN 4140-00-596-4726
NSN 6645-00-695-2343