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 5945-01-346-1457
NSN 6610-01-189-3001
NSN 6610-01-310-3313
NSN 5998-01-033-4197
NSN 6150-00-166-9044
NSN 6105-00-954-4394
NSN 5920-01-009-8121
NSN 5985-01-501-3411
NSN 5835-01-235-9051
NSN 5835-01-024-9249
NSN 5965-00-594-3115
NSN 5925-00-045-5295