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 6320-01-631-7828
NSN 2925-01-643-4472
NSN 5835-01-431-6877
NSN 5935-01-530-2988
NSN 5920-01-050-7474
NSN 5925-01-350-3646
NSN 6620-01-248-0358
NSN 6150-01-206-9149
NSN 6645-00-269-2764
NSN 6130-01-530-8302
NSN 6240-00-272-8601
NSN 5965-01-084-2385