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 5975-01-212-3474
NSN 5925-00-150-1072
NSN 6610-01-124-4592
NSN 5910-01-189-8037
NSN 6320-01-607-1491
NSN 5895-01-634-0630
NSN 5965-00-129-3171
NSN 5925-01-150-4559
NSN 5999-01-634-0576
NSN 5999-01-185-5982
NSN 5975-01-111-8477
NSN 5996-01-400-3558