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 5975-00-144-7878
NSN 6220-01-229-8821
NSN 6620-00-652-9696
NSN 5925-01-447-4153
NSN 2925-01-363-1805
NSN 5915-01-644-4257
NSN 5950-01-449-0943
NSN 6110-00-231-9493
NSN 6150-01-228-7973
NSN 5835-00-284-0882
NSN 5920-00-288-5849
NSN 5935-00-679-1559