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 6320-01-176-8367
NSN 5895-01-543-6540
NSN 6320-00-937-5625
NSN 5930-01-036-9678
NSN 7035-01-612-3620
NSN 6240-01-421-4025
NSN 5915-01-633-9845
NSN 6650-00-307-3437
NSN 4140-01-606-3500
NSN 5999-01-255-3016
NSN 7035-00-445-9657
NSN 5996-00-940-3314