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 6105-01-511-0383
NSN 2925-00-660-8131
NSN 6110-01-252-9619
NSN 6620-00-955-6122
NSN 6145-01-311-2799
NSN 5965-00-841-3628
NSN 6145-01-522-6870
NSN 2925-01-556-0333
NSN 5915-01-333-2205
NSN 6650-01-333-3646
NSN 5930-00-272-1427
NSN 5975-01-376-5355