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 5998-00-633-5169
NSN 5960-01-089-4019
NSN 6130-00-688-7085
NSN 5925-01-297-1933
NSN 5835-00-943-2763
NSN 5835-01-270-7899
NSN 4140-01-432-1447
NSN 5965-01-437-0905
NSN 6150-00-900-8620
NSN 6220-01-254-4704
NSN 6650-01-414-9784
NSN 6110-01-393-0895