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 5996-01-432-0117
NSN 6650-00-842-5463
NSN 6135-01-594-9930
NSN 6110-00-007-6453
NSN 6610-01-577-8685
NSN 5905-01-538-5537
NSN 6130-01-041-8142
NSN 6645-01-315-6584
NSN 5935-01-478-9827
NSN 5920-01-559-6721
NSN 6110-01-462-1698
NSN 5915-00-212-7970