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 6240-00-201-1200
NSN 5930-01-036-9938
NSN 6135-01-196-7399
NSN 6610-00-788-8628
NSN 5945-00-189-0650
NSN 5996-01-432-8216
NSN 5910-01-305-9274
NSN 6145-01-586-4679
NSN 5998-00-505-2057
NSN 5920-01-407-8701
NSN 6220-01-292-0980
NSN 5945-01-610-7314