Digital input/output
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 5975-01-640-9937
NSN 5990-01-314-2264
NSN 6685-01-485-2314
NSN 6220-01-500-9927
NSN 6145-01-440-8646
NSN 5930-00-602-6817
NSN 2925-01-190-9352
NSN 6620-01-416-1757
NSN 5999-01-577-9785
NSN 5935-01-026-0965
NSN 5965-00-501-2091
NSN 6610-00-641-3015