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 6130-01-336-4897
NSN 5935-01-147-8900
NSN 4140-01-130-7858
NSN 5895-01-591-6896
NSN 5990-01-374-3877
NSN 5996-01-452-5350
NSN 6320-01-242-8355
NSN 5990-01-225-9820
NSN 6620-01-367-0844
NSN 6650-00-226-7099
NSN 5960-01-531-9108
NSN 6620-00-983-4171