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 6220-01-412-1487
NSN 6130-01-031-8104
NSN 5996-01-646-8548
NSN 5999-01-547-0337
NSN 6320-01-512-2031
NSN 6240-01-569-0981
NSN 6685-01-063-7004
NSN 6110-01-318-7690
NSN 5965-01-438-0647
NSN 5996-01-340-6599
NSN 5998-00-243-7459
NSN 6650-01-521-0670