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 6240-01-124-9916
NSN 6105-01-430-5401
NSN 6130-01-367-2201
NSN 5925-01-288-0025
NSN 5930-01-399-1933
NSN 5925-01-026-0891
NSN 5910-01-088-6848
NSN 5990-00-424-8872
NSN 6135-00-823-3034
NSN 4140-01-245-8866
NSN 5895-01-138-8756
NSN 5996-01-289-0493