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 5950-01-112-0085
NSN 5935-01-417-4735
NSN 5925-01-628-4111
NSN 7035-01-512-2453
NSN 6320-00-336-9123
NSN 6620-00-837-7314
NSN 6650-01-633-9147
NSN 5998-01-227-1616
NSN 5999-01-461-6402
NSN 5999-01-390-0697
NSN 5960-00-020-0074
NSN 6620-00-838-6954