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 6105-01-446-9393
NSN 5910-01-320-1590
NSN 5920-01-610-8905
NSN 6145-00-721-4066
NSN 6620-01-029-5572
NSN 6105-01-181-4532
NSN 5965-01-527-9330
NSN 6105-00-719-9943
NSN 5925-00-018-9198
NSN 5935-01-080-2705
NSN 5990-01-472-2447
NSN 5915-01-378-8029