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 6650-00-484-3616
NSN 5915-00-454-7746
NSN 6320-01-229-6479
NSN 5998-01-352-5722
NSN 5950-01-232-4862
NSN 5965-01-177-3171
NSN 5895-01-568-5755
NSN 7035-01-127-0147
NSN 5950-01-598-8768
NSN 5930-01-415-9712
NSN 5960-00-187-0429
NSN 6150-00-291-1868