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 6610-01-013-3423
NSN 6240-01-026-0032
NSN 5835-00-460-5750
NSN 5975-01-009-6162
NSN 5975-00-295-3586
NSN 5930-01-391-1529
NSN 6105-01-453-7583
NSN 2925-01-199-7394
NSN 5945-00-987-3458
NSN 5965-00-566-4221
NSN 4140-00-075-2000
NSN 5998-01-333-1980