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 6610-01-242-9674
NSN 6130-01-141-5165
NSN 5975-01-303-2166
NSN 5835-01-149-6855
NSN 5998-01-247-3686
NSN 5985-00-543-1987
NSN 5930-01-215-1907
NSN 6645-01-590-0788
NSN 6240-01-116-5988
NSN 6240-01-486-3715
NSN 6650-00-629-8027
NSN 5915-00-050-5357