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 6240-01-370-0511
NSN 5996-01-449-0666
NSN 5935-01-239-1565
NSN 6220-01-215-5463
NSN 6130-01-607-1965
NSN 6650-01-145-5173
NSN 5835-00-632-8621
NSN 5999-00-431-3930
NSN 5835-00-311-5491
NSN 6220-00-350-8204
NSN 5999-00-888-9599
NSN 5930-01-660-2725