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 5895-01-413-4734
NSN 6220-00-796-2927
NSN 5935-01-123-1176
NSN 2925-00-698-4882
NSN 5990-01-633-9503
NSN 5835-01-258-5597
NSN 5935-00-475-7056
NSN 4140-01-278-1310
NSN 6135-01-506-4791
NSN 6320-01-643-0850
NSN 6320-01-446-8050
NSN 6110-01-105-8373