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 6135-01-512-8740
NSN 2925-01-612-0405
NSN 5965-01-282-6085
NSN 5930-00-789-3056
NSN 6130-01-501-8519
NSN 6240-01-513-9642
NSN 5985-01-161-7587
NSN 6220-00-042-3936
NSN 6105-01-069-2911
NSN 6145-01-512-1870
NSN 6145-01-263-9062
NSN 6130-01-317-9238