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 5925-00-399-5055
NSN 6220-01-429-8534
NSN 5999-01-202-4912
NSN 5965-01-071-3704
NSN 5975-01-173-0332
NSN 5998-00-202-6279
NSN 5925-00-206-3580
NSN 5935-00-445-1637
NSN 5950-01-316-2006
NSN 5855-00-688-9954
NSN 5915-01-275-3823
NSN 5950-01-512-1244