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 5998-00-270-6931
NSN 6240-01-375-3282
NSN 5999-01-424-9592
NSN 6135-01-077-5705
NSN 5930-01-645-4132
NSN 5999-01-420-8189
NSN 6220-00-875-0070
NSN 5905-01-257-5905
NSN 5975-01-455-9634
NSN 5855-01-610-1766
NSN 5930-01-268-1867
NSN 5998-00-469-7191