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 5996-00-231-9322
NSN 2925-00-491-3549
NSN 6610-01-380-6374
NSN 6320-01-173-7950
NSN 5945-01-121-3088
NSN 6240-01-469-1925
NSN 5855-00-361-0167
NSN 6610-01-473-4912
NSN 6645-01-632-2272
NSN 6650-01-460-5837
NSN 6610-01-236-8359
NSN 5998-01-167-4582