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 5985-01-078-8658
NSN 2925-00-311-0825
NSN 5920-01-241-7666
NSN 5990-00-174-6695
NSN 5998-01-601-5872
NSN 6620-00-454-3570
NSN 5920-00-498-5945
NSN 5960-01-111-1701
NSN 5950-01-144-3241
NSN 6620-01-146-4680
NSN 2925-00-646-6099
NSN 6620-01-121-4019