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 5935-01-023-5554
NSN 5985-01-403-2835
NSN 6110-00-146-2114
NSN 5950-01-179-3156
NSN 5930-00-057-0398
NSN 5950-01-444-4053
NSN 5920-00-149-0854
NSN 5985-00-003-0367
NSN 6145-01-123-7019
NSN 6220-01-441-2249
NSN 6105-01-407-1254
NSN 5895-00-473-6056