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 6145-01-242-4492
NSN 5945-00-945-1590
NSN 6110-00-102-7797
NSN 6645-00-892-1605
NSN 5935-00-901-5204
NSN 5930-01-351-9916
NSN 5998-00-269-5444
NSN 5999-00-741-2614
NSN 6220-00-627-9011
NSN 5895-01-031-0352
NSN 6110-00-095-6418
NSN 5999-00-462-9326