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 5960-01-058-8582
NSN 5985-01-139-2735
NSN 6105-00-252-9017
NSN 6685-01-459-9735
NSN 5960-01-048-4885
NSN 5960-01-582-6167
NSN 5905-01-547-8644
NSN 6685-01-081-5952
NSN 5835-01-449-7511
NSN 5855-00-408-2611
NSN 6110-01-612-0943
NSN 6645-01-161-8047