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 6220-00-988-5311
NSN 6240-01-147-5424
NSN 5925-00-360-6785
NSN 5965-01-128-7785
NSN 5960-01-399-4327
NSN 4140-01-063-5929
NSN 7035-00-991-6877
NSN 5835-00-222-3956
NSN 5960-01-215-9232
NSN 7035-00-200-5162
NSN 5950-01-291-2832
NSN 6320-01-478-9351