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 5950-00-964-9949
NSN 2925-01-041-2360
NSN 6145-01-617-9521
NSN 5915-01-495-1923
NSN 5930-01-027-1082
NSN 6685-00-911-7351
NSN 5915-01-260-0291
NSN 5985-01-424-3033
NSN 6650-01-430-4126
NSN 6135-00-871-3646
NSN 5999-01-221-2734
NSN 6620-01-289-6627