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 5945-00-485-3478
NSN 5945-01-055-6661
NSN 6130-01-294-2759
NSN 5990-00-554-0366
NSN 6240-01-095-6557
NSN 5975-00-969-9045
NSN 5998-01-130-2007
NSN 5975-00-212-7754
NSN 5960-00-543-1956
NSN 6110-01-506-6779
NSN 5965-01-383-7235
NSN 5960-01-166-8963