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 5925-01-538-4747
NSN 5996-00-265-6573
NSN 7035-00-299-7150
NSN 5965-01-518-8102
NSN 5950-00-146-2452
NSN 5990-00-432-0649
NSN 5925-01-388-3325
NSN 7035-01-291-1770
NSN 5835-01-132-5894
NSN 5915-01-256-6179
NSN 6620-00-087-7930
NSN 6610-01-475-1921