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 5985-00-613-0162
NSN 5920-01-185-2222
NSN 6130-01-379-3834
NSN 5990-01-414-7618
NSN 7035-00-991-6877
NSN 5905-01-531-0900
NSN 5835-01-414-3258
NSN 6105-01-641-3334
NSN 5999-01-424-0224
NSN 6135-01-173-2588
NSN 5998-01-394-6907
NSN 2925-01-522-5631