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 6110-00-113-1415
NSN 6135-01-074-2529
NSN 5935-01-497-2832
NSN 5965-01-035-6842
NSN 5960-01-416-6187
NSN 6650-00-226-5320
NSN 6320-01-335-8336
NSN 6320-01-292-6635
NSN 5996-01-643-4962
NSN 5950-00-404-8558
NSN 5996-00-597-2234
NSN 4140-01-142-3192