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 5905-01-188-8995
NSN 5960-00-912-5391
NSN 6145-01-625-4227
NSN 5895-01-609-0059
NSN 5835-00-185-4919
NSN 5975-00-086-8300
NSN 5945-01-634-0588
NSN 5950-01-399-7260
NSN 5935-00-600-6094
NSN 5950-00-556-3149
NSN 6320-01-039-5891
NSN 5895-00-389-7400