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 6145-01-206-5578
NSN 6150-01-634-0575
NSN 6150-00-985-3385
NSN 5935-01-563-7989
NSN 5925-01-583-4035
NSN 5925-01-323-7756
NSN 6320-01-213-3974
NSN 5920-01-484-7790
NSN 5905-01-492-5861
NSN 6150-01-245-7365
NSN 5905-01-284-2822
NSN 6620-01-100-0077