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 6645-01-588-5591
NSN 5895-01-657-3500
NSN 6150-01-321-2995
NSN 6610-00-584-5055
NSN 5965-01-220-0529
NSN 6130-00-222-5291
NSN 6130-01-580-0417
NSN 6110-00-717-3554
NSN 5935-00-679-9663
NSN 5905-01-145-6331
NSN 5960-01-124-0182
NSN 5990-01-565-2226