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 5835-00-233-6327
NSN 6240-00-987-0977
NSN 5950-00-929-5792
NSN 5998-01-294-3787
NSN 5905-01-556-9578
NSN 5935-00-247-2658
NSN 5935-00-827-5103
NSN 6610-00-019-1538
NSN 5920-00-886-7896
NSN 2925-01-049-8906
NSN 5960-01-170-4057
NSN 6220-01-159-8618