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 5999-01-093-3355
NSN 5998-01-029-0420
NSN 6130-01-302-9105
NSN 6620-01-449-8743
NSN 5835-01-447-2544
NSN 7035-00-902-8995
NSN 6320-01-230-8444
NSN 5999-01-301-3248
NSN 5835-00-612-1621
NSN 5835-01-178-4154
NSN 6320-01-346-5158
NSN 6620-01-268-8929