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 5920-00-471-2548
NSN 4140-00-008-8750
NSN 6320-01-320-3305
NSN 5975-01-499-4553
NSN 5999-00-872-3448
NSN 6130-01-644-0992
NSN 5999-00-973-0667
NSN 6240-01-518-3874
NSN 5998-01-375-6053
NSN 6130-00-596-9565
NSN 6645-01-039-0058
NSN 4140-00-694-1936