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 5855-01-398-3181
NSN 7035-00-631-3782
NSN 5960-00-813-9012
NSN 5960-01-423-1085
NSN 5965-01-065-5544
NSN 6650-01-382-8569
NSN 5915-01-183-2843
NSN 5990-01-246-2488
NSN 5996-00-293-4687
NSN 6135-00-246-0324
NSN 5930-00-343-8832
NSN 5920-01-042-6680