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 5965-01-179-7749
NSN 6645-01-411-5657
NSN 6130-01-583-1220
NSN 5835-01-495-0595
NSN 5910-01-013-8313
NSN 5960-01-442-0908
NSN 5920-00-974-4381
NSN 6240-01-265-0960
NSN 5985-01-463-2848
NSN 6135-01-459-6424
NSN 6620-01-313-3755
NSN 5915-01-531-2715