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 5905-01-287-9405
NSN 5998-00-633-5169
NSN 5945-01-080-2238
NSN 5998-00-544-3799
NSN 5975-01-168-7643
NSN 2925-01-389-6874
NSN 5999-01-244-9805
NSN 5855-01-433-7009
NSN 5910-01-521-9537
NSN 6685-01-419-0909
NSN 5930-01-432-5087
NSN 6685-00-145-5269