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 5935-01-251-8352
NSN 5835-01-632-6627
NSN 5910-00-606-0897
NSN 5960-00-611-1691
NSN 6130-01-140-5922
NSN 6135-01-159-9705
NSN 6105-01-026-1884
NSN 6650-00-436-3531
NSN 6220-00-279-8819
NSN 5925-00-168-8626
NSN 6105-01-278-9220
NSN 6650-01-619-3329