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 5950-01-025-0891
NSN 6220-01-105-2631
NSN 6320-01-173-7950
NSN 5945-00-040-7386
NSN 5915-01-617-2540
NSN 5905-01-069-3987
NSN 6110-01-044-6350
NSN 6110-01-322-4659
NSN 6130-00-937-6990
NSN 5996-01-359-9931
NSN 6650-01-018-3158
NSN 5925-00-239-2135