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 5910-01-289-0912
NSN 5855-01-047-3231
NSN 6150-00-450-0735
NSN 5855-01-576-2600
NSN 6240-00-843-0698
NSN 5910-00-196-0990
NSN 6650-01-352-2979
NSN 5945-01-414-6950
NSN 5965-01-092-1173
NSN 5905-00-033-7866
NSN 5960-01-648-1872
NSN 5950-01-506-6158