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 5835-00-723-2505
NSN 5935-01-275-1789
NSN 5999-01-415-5090
NSN 6110-01-541-1828
NSN 7035-00-126-1899
NSN 5915-00-172-1666
NSN 6220-00-511-1769
NSN 5920-01-503-2536
NSN 6135-01-495-0933
NSN 5999-01-269-4646
NSN 6240-01-609-7740
NSN 5950-01-040-7163