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 6220-01-537-7077
NSN 5910-00-726-0544
NSN 6220-01-424-0687
NSN 5835-00-921-1662
NSN 5835-01-197-0390
NSN 5835-01-104-4520
NSN 5935-01-337-3849
NSN 6135-01-424-8130
NSN 6105-01-209-2711
NSN 6240-01-150-2712
NSN 6650-01-509-7235
NSN 6105-00-711-3578