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 5835-00-992-0087
NSN 5835-00-279-6626
NSN 6610-01-370-3886
NSN 6650-01-382-0234
NSN 5905-00-615-1890
NSN 5835-00-789-1454
NSN 6240-01-416-8399
NSN 6240-01-051-8699
NSN 6105-01-614-3120
NSN 5999-01-015-0304
NSN 5960-00-244-1642
NSN 6220-01-519-9305