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 5895-01-004-8595
NSN 6220-01-013-9498
NSN 6320-00-809-5744
NSN 6150-00-950-6430
NSN 5835-01-560-3486
NSN 6220-01-615-2225
NSN 5975-01-467-2045
NSN 6240-01-100-3696
NSN 7035-01-423-1755
NSN 5920-01-385-4413
NSN 6150-00-774-6782
NSN 5950-01-171-0520