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 5999-00-554-4285
NSN 6240-00-419-4301
NSN 5990-00-467-7431
NSN 5985-01-083-7061
NSN 5990-01-049-7505
NSN 5945-01-417-5607
NSN 5920-00-153-9150
NSN 5935-01-155-4909
NSN 6240-01-605-1799
NSN 5835-01-056-4149
NSN 5990-01-242-9653
NSN 6110-01-388-1055