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 6620-01-069-0912
NSN 6610-01-186-4106
NSN 6150-00-370-3538
NSN 5960-01-026-9005
NSN 5960-00-800-9215
NSN 6685-00-821-3046
NSN 5965-01-299-4568
NSN 6110-01-478-7460
NSN 5930-01-537-3440
NSN 5835-01-495-0595
NSN 6110-01-387-1087
NSN 6320-00-701-0437