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 5950-01-506-3389
NSN 6150-01-634-0575
NSN 5895-01-389-8429
NSN 5950-00-499-1984
NSN 5945-00-194-1526
NSN 6145-01-224-7228
NSN 6610-01-250-2811
NSN 5925-00-889-2707
NSN 5999-01-275-8125
NSN 6145-01-529-7653
NSN 6150-00-062-6587
NSN 5998-00-275-7221