An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also counter, electronic, digital and indicator, digital display.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5935-00-531-8602
NSN 6105-00-435-2713
NSN 6220-00-625-8554
NSN 5895-01-369-4787
NSN 5990-00-889-9634
NSN 5965-01-441-0858
NSN 5999-01-073-2617
NSN 6240-00-816-6749
NSN 5905-01-008-8554
NSN 6610-01-648-6527
NSN 5990-01-616-9342
NSN 6135-00-100-0485