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 5915-01-068-2703
NSN 6135-01-392-6166
NSN 5925-01-279-1057
NSN 5910-01-587-5979
NSN 6320-00-731-6134
NSN 4140-01-605-1706
NSN 6320-01-111-8851
NSN 5925-01-486-5910
NSN 6620-01-533-1059
NSN 5920-01-308-9999
NSN 5910-01-292-0560
NSN 6610-01-631-4355