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 6240-01-313-2229
NSN 4140-01-541-5595
NSN 6685-01-540-6410
NSN 5965-01-222-0166
NSN 5996-01-013-8824
NSN 4140-00-106-2659
NSN 6110-01-606-1647
NSN 5920-01-550-2763
NSN 5935-01-024-4882
NSN 5999-01-201-9981
NSN 5960-00-903-5816
NSN 4140-00-128-0187