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 5855-01-301-0158
NSN 5920-00-251-1472
NSN 5965-00-680-9749
NSN 2925-00-303-8759
NSN 5895-01-628-0302
NSN 5998-00-935-2510
NSN 5998-01-495-5586
NSN 6150-01-304-2267
NSN 5930-01-387-0137
NSN 6620-01-101-4408
NSN 6320-00-284-1524
NSN 5930-01-149-4492