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 5905-01-023-0766
NSN 5975-01-288-6678
NSN 6685-00-306-5604
NSN 5998-00-036-8510
NSN 5960-01-549-4826
NSN 6110-01-378-4140
NSN 5998-01-585-8170
NSN 5910-01-643-5704
NSN 6645-01-570-3215
NSN 5855-01-523-0653
NSN 5985-00-936-5838
NSN 5835-01-063-6284