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 6130-00-100-0175
NSN 6130-01-155-1650
NSN 5895-00-248-7477
NSN 5910-01-492-9892
NSN 6645-01-180-6219
NSN 5999-00-409-5631
NSN 6110-01-131-5713
NSN 5996-01-355-7475
NSN 6620-01-445-4295
NSN 5935-01-266-5701
NSN 6320-01-362-9518
NSN 6650-01-093-6862