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 6650-00-279-5741
NSN 6145-00-503-6301
NSN 5920-01-336-4608
NSN 6240-00-779-3394
NSN 2925-01-336-2820
NSN 5905-00-103-7441
NSN 5985-01-277-9650
NSN 6110-01-187-4016
NSN 6240-01-486-6451
NSN 6240-00-150-6754
NSN 5920-00-754-5252
NSN 5895-00-043-1990