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 5990-01-582-1977
NSN 6650-01-329-8020
NSN 6110-01-560-4053
NSN 6220-00-070-7878
NSN 6610-01-510-2302
NSN 5950-01-266-6589
NSN 5930-01-591-8123
NSN 5920-00-901-1551
NSN 5996-00-351-2369
NSN 5945-01-123-7966
NSN 6145-01-318-2089
NSN 7035-01-045-7202