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 6220-00-541-8515
NSN 5915-00-437-6694
NSN 7035-01-080-8742
NSN 5930-01-082-2363
NSN 6645-01-554-0609
NSN 6220-01-331-0889
NSN 6645-01-336-1625
NSN 5998-00-318-9987
NSN 5930-01-621-5701
NSN 5975-00-827-7426
NSN 2925-01-285-7163
NSN 6320-01-116-3980