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 5930-01-369-6623
NSN 6240-01-301-5412
NSN 5915-01-207-0868
NSN 6320-01-607-1491
NSN 5905-01-512-7112
NSN 5996-01-442-0832
NSN 5960-00-509-4549
NSN 5975-01-005-3499
NSN 6645-00-139-2972
NSN 5965-00-926-2591
NSN 5999-00-962-2207
NSN 5855-01-444-9182