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 5996-01-242-5205
NSN 6650-01-424-0974
NSN 6610-01-475-1921
NSN 5960-01-211-9902
NSN 7035-00-946-2642
NSN 6620-00-308-2531
NSN 6145-01-477-4320
NSN 6685-01-458-2774
NSN 5996-01-055-6207
NSN 6135-01-167-7604
NSN 5935-01-290-2394
NSN 6610-01-571-8038