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 4140-01-409-1764
NSN 5930-01-325-6954
NSN 4140-01-113-8313
NSN 5920-00-964-4538
NSN 5985-01-049-1401
NSN 6145-00-982-8160
NSN 6130-01-277-3755
NSN 5930-01-417-9219
NSN 6610-01-344-0972
NSN 6145-01-643-6657
NSN 6610-00-076-5613
NSN 5910-00-962-8599