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 7035-00-870-0290
NSN 5915-00-243-8667
NSN 5975-01-339-5364
NSN 5999-00-438-8489
NSN 5965-00-241-2521
NSN 5965-01-513-9978
NSN 5965-01-458-5299
NSN 5996-00-984-7641
NSN 6145-01-376-8928
NSN 6220-01-502-8991
NSN 5925-00-730-2777
NSN 5998-00-452-9640