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 5999-00-542-0541
NSN 6610-01-480-5014
NSN 6135-01-350-2932
NSN 5930-01-231-0299
NSN 5855-01-484-3619
NSN 6110-01-647-6347
NSN 6110-01-516-6526
NSN 5996-01-466-4577
NSN 6220-00-583-9889
NSN 6620-00-004-1374
NSN 5985-01-166-8291
NSN 5998-00-309-6320