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 5925-00-126-6660
NSN 6320-01-399-6177
NSN 4140-01-152-1214
NSN 5950-01-431-2071
NSN 5965-01-234-6844
NSN 5960-01-263-6781
NSN 6645-00-163-9580
NSN 6610-00-314-2605
NSN 4140-00-274-9638
NSN 4140-01-373-1788
NSN 5985-01-306-6450
NSN 6650-01-371-3551