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 6610-00-450-2575
NSN 6105-01-613-6084
NSN 5965-01-122-2750
NSN 5975-01-449-6193
NSN 5915-00-133-2847
NSN 6240-00-919-4702
NSN 7035-00-945-3166
NSN 6650-01-421-8424
NSN 5975-00-658-3718
NSN 5998-00-613-4121
NSN 5965-01-090-6245
NSN 5925-00-776-5062