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 5905-01-504-5757
NSN 6110-00-049-5063
NSN 5990-00-016-5648
NSN 5965-01-408-6218
NSN 5985-01-647-0959
NSN 6620-01-560-2447
NSN 5925-01-215-7077
NSN 5895-00-707-6663
NSN 5920-00-998-5742
NSN 5990-01-486-2556
NSN 5835-01-177-1092
NSN 5930-00-406-3098