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 6145-01-004-6342
NSN 6610-01-044-4740
NSN 5998-01-584-9023
NSN 6320-01-564-0893
NSN 6650-01-174-0928
NSN 2925-01-633-4048
NSN 5965-01-134-6812
NSN 5895-00-558-9032
NSN 6650-01-570-0430
NSN 6145-00-378-3836
NSN 6650-01-185-2544
NSN 5930-00-526-0543