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 5945-01-503-7865
NSN 6240-01-592-4068
NSN 5945-01-305-0796
NSN 5996-01-025-5683
NSN 5985-01-068-3990
NSN 5930-01-236-7587
NSN 6220-01-461-8811
NSN 5965-00-316-2768
NSN 6130-01-384-3977
NSN 5910-00-186-7342
NSN 2925-01-197-7864
NSN 7035-01-314-6428