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 5996-01-567-2315
NSN 5998-01-226-1647
NSN 5905-00-375-1239
NSN 6650-00-788-1461
NSN 5855-01-147-4785
NSN 5945-01-145-3179
NSN 6110-01-344-1949
NSN 6240-01-349-6320
NSN 5945-00-400-8297
NSN 6105-01-647-8770
NSN 4140-01-372-8925
NSN 5998-01-445-5765