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 5835-01-426-6573
NSN 5905-00-494-5517
NSN 5910-01-237-2621
NSN 6620-01-007-1057
NSN 6130-01-495-0547
NSN 6110-01-206-4187
NSN 6105-00-738-1596
NSN 5855-00-237-4088
NSN 5935-00-868-6724
NSN 5975-00-244-0706
NSN 5990-01-660-9694
NSN 5965-00-339-2743