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 5855-00-014-5008
NSN 5985-00-291-9974
NSN 5960-01-274-7628
NSN 6320-00-593-0379
NSN 5965-01-282-3181
NSN 5895-01-634-0630
NSN 5905-00-421-9876
NSN 6220-01-592-4486
NSN 6685-00-448-6224
NSN 5925-00-026-1977
NSN 5905-01-384-4964
NSN 6110-01-605-1751