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 5960-01-423-4240
NSN 7035-00-500-7839
NSN 6650-01-246-4262
NSN 5835-01-182-1966
NSN 5935-00-661-0825
NSN 5835-01-584-8538
NSN 6135-00-347-0595
NSN 5895-01-068-8215
NSN 6645-01-140-0868
NSN 6150-01-502-9204
NSN 5960-01-366-5036
NSN 5990-00-010-8186