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 5915-00-714-3829
NSN 6650-01-370-0589
NSN 6240-00-696-0249
NSN 6135-01-086-8167
NSN 5960-00-503-4880
NSN 5925-01-594-1873
NSN 5990-00-878-6509
NSN 5925-00-228-7605
NSN 6105-01-388-8079
NSN 5905-01-544-9157
NSN 6110-00-935-5351
NSN 5996-01-642-5575