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 5915-00-174-0474
NSN 5999-00-021-7110
NSN 5910-01-502-9833
NSN 5990-00-876-0576
NSN 5915-01-615-3430
NSN 5999-00-141-0291
NSN 5999-01-579-4857
NSN 5996-01-196-4502
NSN 5915-01-241-5469
NSN 6110-00-169-5722
NSN 5920-01-475-4897
NSN 5925-00-284-3726