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 6110-00-175-3661
NSN 5920-00-734-5519
NSN 6610-01-212-2969
NSN 6150-00-370-3538
NSN 6650-01-586-7926
NSN 6135-01-092-4734
NSN 6145-01-396-1769
NSN 5996-01-029-2904
NSN 5999-01-413-5828
NSN 5999-01-149-0587
NSN 6145-00-699-8963
NSN 6145-00-170-7947