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 5999-00-259-7793
NSN 6145-01-154-0616
NSN 5965-00-217-1113
NSN 6220-01-530-8293
NSN 6685-00-499-9233
NSN 5998-01-551-6703
NSN 5835-00-315-3797
NSN 6150-01-133-2017
NSN 5935-01-458-3732
NSN 7035-00-155-9513
NSN 5999-01-015-4785
NSN 5925-01-178-8962