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 6110-00-174-9353
NSN 2925-00-707-6770
NSN 6610-01-003-9763
NSN 5990-01-411-1917
NSN 5915-01-453-4298
NSN 5905-01-139-7447
NSN 6240-00-225-1627
NSN 5950-00-548-0783
NSN 5915-01-495-3270
NSN 6645-01-421-4007
NSN 5925-00-599-6339
NSN 6220-01-199-0794