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 5960-01-628-2760
NSN 6320-01-089-9086
NSN 6645-00-825-5677
NSN 6685-01-461-3223
NSN 6685-01-272-7857
NSN 6220-01-421-4448
NSN 6130-00-872-8667
NSN 5999-01-237-0002
NSN 5835-01-364-6830
NSN 5835-01-191-3405
NSN 5925-01-255-9471
NSN 6650-00-349-6030