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 5920-01-593-1252
NSN 5999-00-024-1079
NSN 6145-01-420-6132
NSN 5985-01-485-2416
NSN 7035-01-364-8454
NSN 5910-00-618-0196
NSN 5998-00-432-5578
NSN 6650-00-373-9220
NSN 6240-00-627-9007
NSN 2925-01-440-9912
NSN 6145-01-352-6459
NSN 6150-01-508-3673