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 5960-00-057-9184
NSN 5998-01-634-0604
NSN 5920-01-410-2893
NSN 5910-00-802-1034
NSN 5965-01-142-8044
NSN 5910-00-935-3517
NSN 6220-00-761-9520
NSN 6220-00-983-4362
NSN 6620-01-068-0046
NSN 5985-00-605-7365
NSN 5950-01-303-2106
NSN 6240-00-092-3186