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 6110-01-260-6228
NSN 5950-01-377-2390
NSN 6650-01-185-2544
NSN 5975-01-183-7987
NSN 5996-01-602-5655
NSN 5998-00-103-0393
NSN 6145-01-340-1305
NSN 6620-01-488-9547
NSN 5895-01-538-1314
NSN 6105-01-326-2457
NSN 5965-01-362-0874
NSN 5915-00-735-5195