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 6320-01-425-1417
NSN 2925-01-311-7840
NSN 5960-01-024-0578
NSN 5998-00-087-0089
NSN 6135-00-461-3590
NSN 6150-01-542-5952
NSN 5998-00-295-3694
NSN 5910-01-119-6166
NSN 5975-01-420-9539
NSN 6650-01-628-8920
NSN 6220-01-615-6268
NSN 5910-00-227-0848