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 6110-00-525-3418
NSN 6650-01-625-1962
NSN 5965-00-224-6034
NSN 5935-01-429-5439
NSN 6130-01-290-3310
NSN 6610-01-382-7894
NSN 6645-00-843-8837
NSN 6130-01-317-6906
NSN 5985-01-400-0882
NSN 5935-01-272-9592
NSN 5975-01-602-0044
NSN 5930-00-382-7716