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 6110-01-428-7317
NSN 5965-01-566-8609
NSN 5975-01-124-0353
NSN 5975-01-063-8017
NSN 5920-01-516-0467
NSN 5999-00-041-3383
NSN 6650-00-490-2637
NSN 5996-01-113-7960
NSN 5960-00-652-5921
NSN 5975-01-367-8700
NSN 5895-00-809-0055
NSN 6650-01-286-6300