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 5975-01-231-1966
NSN 6620-00-182-7638
NSN 6620-01-029-3705
NSN 5975-01-495-4046
NSN 5960-01-234-9107
NSN 5920-01-042-1798
NSN 6685-00-824-2727
NSN 6110-00-843-0498
NSN 6650-01-320-4284
NSN 6150-01-494-9883
NSN 5925-01-648-4996
NSN 5835-01-442-6079