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 5910-01-546-0808
NSN 2925-01-068-3844
NSN 5990-00-847-3806
NSN 5996-01-459-9360
NSN 5999-01-234-9297
NSN 5935-01-159-1949
NSN 5998-01-475-7763
NSN 6135-00-194-9354
NSN 6240-01-064-9727
NSN 4140-01-335-6248
NSN 6105-01-515-4645
NSN 2925-01-157-9204