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 6240-01-156-1565
NSN 7035-00-152-0055
NSN 5920-00-030-5712
NSN 6105-01-359-7843
NSN 5905-01-198-7903
NSN 5935-01-337-7094
NSN 6645-01-156-6741
NSN 5965-01-165-9787
NSN 5965-01-607-5753
NSN 6320-00-194-4252
NSN 6105-01-607-4306
NSN 6685-01-401-5360