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 5935-00-761-4037
NSN 6645-00-998-7820
NSN 6105-01-442-7801
NSN 5895-01-020-0154
NSN 5925-00-156-4044
NSN 6645-00-979-6824
NSN 5998-01-084-9756
NSN 5985-01-441-8471
NSN 2925-01-183-2897
NSN 5985-01-218-0589
NSN 5950-00-007-1952
NSN 6130-01-431-7738