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 5910-01-187-6098
NSN 5999-01-227-1974
NSN 6135-00-377-9165
NSN 5990-01-658-9964
NSN 6110-01-387-5638
NSN 5915-00-518-0851
NSN 5935-00-094-6862
NSN 6135-00-840-6451
NSN 6320-00-676-9387
NSN 5915-00-961-8006
NSN 2925-01-442-7812
NSN 6220-01-072-9997