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 5999-01-406-2405
NSN 5910-01-574-9765
NSN 6110-00-038-7230
NSN 5965-01-227-4517
NSN 5965-00-351-7460
NSN 6135-00-347-0595
NSN 5975-00-773-3647
NSN 5835-01-152-9483
NSN 6645-01-167-0712
NSN 5996-01-438-9421
NSN 5998-01-381-7540
NSN 5965-01-383-3725