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 5920-00-809-6438
NSN 6620-00-262-3113
NSN 6650-01-552-3267
NSN 6150-01-054-1696
NSN 5835-01-327-6324
NSN 5999-01-507-0588
NSN 5930-00-269-4996
NSN 6685-00-004-2802
NSN 5935-01-353-1484
NSN 6620-00-816-9755
NSN 6145-01-127-7730
NSN 6685-01-295-9415