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 6110-00-908-9283
NSN 5998-01-309-4607
NSN 4140-00-824-8821
NSN 6220-01-495-3301
NSN 5920-01-441-9877
NSN 5835-00-415-6421
NSN 4140-01-100-4164
NSN 5985-01-395-1215
NSN 7035-01-362-4924
NSN 6620-00-192-4855
NSN 6110-01-424-1208
NSN 6645-01-420-5623