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 5910-01-584-9076
NSN 5910-01-176-2619
NSN 5925-01-337-4928
NSN 6685-01-225-4436
NSN 6150-01-497-7951
NSN 5990-00-011-2994
NSN 2925-01-570-3690
NSN 5915-01-364-2251
NSN 6150-01-314-7994
NSN 5910-01-441-9552
NSN 6620-00-955-6122
NSN 5999-01-336-2975