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 5960-00-284-7743
NSN 5855-01-285-3483
NSN 5920-00-824-7678
NSN 5905-01-557-9584
NSN 5920-01-168-7810
NSN 7035-00-803-3056
NSN 6650-01-376-6965
NSN 6610-00-492-9872
NSN 6620-00-247-7427
NSN 5999-01-646-3215
NSN 6620-01-187-3320
NSN 5996-01-094-5587