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 5930-00-756-8117
NSN 5855-01-488-6571
NSN 6110-01-486-3841
NSN 6650-01-048-6757
NSN 5960-01-499-3544
NSN 6130-01-128-9358
NSN 5855-01-631-2118
NSN 6620-01-198-9448
NSN 5965-01-213-7256
NSN 6610-01-112-0447
NSN 5990-01-112-5281
NSN 6220-00-177-3086