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 6110-00-759-2562
NSN 5999-00-469-3460
NSN 6620-00-253-6329
NSN 6685-01-309-8360
NSN 6150-01-414-7800
NSN 6320-00-371-8335
NSN 6650-00-170-5095
NSN 5975-01-481-1260
NSN 6130-01-464-2933
NSN 6145-01-321-5166
NSN 5905-01-528-7879
NSN 6130-00-701-0029