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 6650-01-462-5879
NSN 6620-01-112-6440
NSN 5930-01-634-0659
NSN 5990-01-305-8121
NSN 5910-01-211-6936
NSN 5910-01-358-8514
NSN 6320-01-067-0474
NSN 6650-00-170-5095
NSN 5920-00-762-3348
NSN 5935-00-004-9225
NSN 5910-00-963-3786
NSN 5996-01-265-3657