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 5835-01-424-0054
NSN 5998-00-876-9572
NSN 5920-01-026-9645
NSN 5905-00-602-5368
NSN 5999-01-383-8427
NSN 5855-01-057-2200
NSN 6320-01-449-1014
NSN 5895-00-568-8304
NSN 5960-00-204-7506
NSN 5965-01-367-2595
NSN 5996-01-484-5497
NSN 5996-01-168-2746