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 5835-00-752-6065
NSN 5915-01-421-1818
NSN 5935-01-316-7362
NSN 5950-00-397-3787
NSN 5855-00-198-3197
NSN 5990-01-651-6364
NSN 5925-01-294-6662
NSN 5935-01-594-9401
NSN 4140-00-726-6062
NSN 6150-01-556-6327
NSN 6240-01-444-2227
NSN 5999-01-398-4799