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 6685-00-705-1522
NSN 6650-01-471-6476
NSN 5960-01-446-4446
NSN 6645-00-695-2343
NSN 6110-00-525-3418
NSN 5935-00-737-4925
NSN 5910-01-419-1912
NSN 5895-01-124-4429
NSN 6320-00-300-5556
NSN 6610-01-102-2256
NSN 5935-01-337-3233
NSN 5996-01-430-8784