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 5985-01-304-6925
NSN 6150-00-350-8202
NSN 6650-00-103-0314
NSN 6135-00-269-5843
NSN 6105-01-547-4080
NSN 6645-01-645-9117
NSN 6240-00-319-0452
NSN 6145-01-584-3363
NSN 6110-01-139-1978
NSN 6150-01-610-1554
NSN 5998-01-431-4658
NSN 5998-01-263-2009