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 5935-01-477-0940
NSN 5920-01-586-0541
NSN 6150-01-043-6361
NSN 5835-00-233-6327
NSN 5925-01-143-7730
NSN 6130-01-413-6508
NSN 5925-01-513-4475
NSN 5999-00-350-6052
NSN 6150-01-307-1718
NSN 5835-00-890-3932
NSN 6150-01-500-1302
NSN 5910-00-287-3258