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 5855-00-472-2055
NSN 6135-01-069-2482
NSN 5910-01-633-9963
NSN 5965-00-089-8308
NSN 6145-01-033-7816
NSN 6110-01-359-0053
NSN 6645-01-461-9250
NSN 5835-01-347-8714
NSN 6145-00-801-4621
NSN 6610-01-331-2070
NSN 5999-01-431-8878
NSN 7035-01-028-4966