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 5925-00-244-0711
NSN 5965-01-303-1676
NSN 5835-00-023-0780
NSN 6110-01-223-8095
NSN 5925-00-981-9006
NSN 5835-00-372-3736
NSN 6105-01-554-3104
NSN 6145-00-807-8431
NSN 5990-00-170-9553
NSN 5965-01-339-7665
NSN 5996-01-385-0884
NSN 6135-00-921-6487