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 5925-01-444-0929
NSN 6105-00-451-6563
NSN 5935-01-448-0049
NSN 5935-01-025-2154
NSN 5920-01-199-5522
NSN 5985-01-359-2090
NSN 5999-01-430-0156
NSN 6620-01-553-7917
NSN 5985-00-243-4160
NSN 6650-00-826-7396
NSN 5915-00-044-5763
NSN 6620-00-965-8075