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 5915-01-382-5366
NSN 5945-01-264-9974
NSN 5930-01-549-2826
NSN 5950-00-353-1421
NSN 4140-01-195-9864
NSN 6320-01-495-1244
NSN 6145-01-573-7297
NSN 5920-00-670-4674
NSN 5975-00-589-4332
NSN 5985-01-039-7629
NSN 5999-00-237-6099
NSN 5925-01-161-9564