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 2925-01-461-4347
NSN 5998-01-357-6642
NSN 5999-00-758-6991
NSN 6110-01-465-0007
NSN 6610-01-365-7796
NSN 5855-01-461-2741
NSN 5905-00-528-8908
NSN 6645-01-066-5840
NSN 5960-01-009-2579
NSN 5835-01-295-2431
NSN 5925-01-462-2209
NSN 5935-01-529-9882