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 6150-00-078-7064
NSN 6685-01-227-5471
NSN 6610-01-514-8898
NSN 6135-01-419-5574
NSN 5920-01-660-1950
NSN 6110-00-422-4973
NSN 5985-01-553-6124
NSN 5930-00-596-8115
NSN 6610-01-106-1783
NSN 5990-01-184-6830
NSN 5930-01-609-4531
NSN 5855-01-301-0158