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 5950-00-446-7812
NSN 5996-00-367-2388
NSN 5945-00-538-5605
NSN 5910-01-296-5331
NSN 6320-00-174-1362
NSN 5835-01-576-9013
NSN 6220-01-326-4687
NSN 6320-01-237-9746
NSN 6610-01-595-1032
NSN 5996-01-068-2886
NSN 5965-01-264-1738
NSN 5920-01-165-1922