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 2925-01-233-8545
NSN 5925-00-333-3567
NSN 5910-00-477-0975
NSN 4140-01-211-8673
NSN 4140-01-029-2814
NSN 6650-01-441-5339
NSN 6240-01-619-9771
NSN 6620-01-327-3011
NSN 5910-01-265-0816
NSN 6610-01-389-3082
NSN 6650-01-236-0366
NSN 5945-01-394-2206