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 5990-01-565-2226
NSN 6620-01-106-2814
NSN 6320-01-607-0347
NSN 5990-00-343-4465
NSN 5905-01-391-4983
NSN 5985-01-469-6600
NSN 6110-01-580-5446
NSN 5915-00-492-1474
NSN 5925-01-392-4785
NSN 6240-01-236-4423
NSN 5915-01-389-8302
NSN 5935-01-319-7719