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 5930-00-818-8339
NSN 5920-01-388-7293
NSN 6320-00-593-0379
NSN 5998-00-827-2029
NSN 6110-01-461-7452
NSN 5855-01-270-6847
NSN 5990-01-334-8634
NSN 5965-00-791-0964
NSN 6150-01-362-7319
NSN 5985-00-361-8863
NSN 5975-01-535-0292
NSN 5998-00-589-1423