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 6110-01-478-0359
NSN 2925-00-033-4621
NSN 5915-00-156-2083
NSN 6240-00-761-2244
NSN 5975-00-056-5577
NSN 5965-01-100-5283
NSN 6320-01-157-9076
NSN 6220-00-050-8485
NSN 2925-01-380-0869
NSN 5985-01-222-0039
NSN 5920-01-507-7159
NSN 5905-01-068-3631