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 6240-01-013-8895
NSN 6620-01-476-7355
NSN 5990-01-272-4091
NSN 5975-01-363-3853
NSN 5930-01-067-0233
NSN 6150-00-139-6036
NSN 5960-00-496-6473
NSN 6320-01-527-0211
NSN 5835-00-092-1136
NSN 6220-00-084-3206
NSN 5960-00-126-9669
NSN 5935-00-364-7784