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 5998-00-677-8020
NSN 5945-01-483-5561
NSN 5935-01-531-1256
NSN 5975-01-307-5311
NSN 6135-01-291-6712
NSN 5915-00-001-3117
NSN 6610-01-202-1373
NSN 6150-00-815-9930
NSN 5935-01-422-3228
NSN 5998-01-601-1836
NSN 5999-00-272-7453
NSN 5930-00-620-0559