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 5985-01-041-6841
NSN 6135-01-265-1384
NSN 5945-01-251-5717
NSN 5985-01-642-1072
NSN 5935-00-730-0599
NSN 5985-01-028-9247
NSN 6110-00-960-7341
NSN 6240-01-068-3491
NSN 5915-00-072-1635
NSN 5945-01-440-9874
NSN 6650-01-449-2334
NSN 5855-01-511-0995