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 6135-00-500-2082
NSN 6110-00-752-2757
NSN 7035-01-460-2261
NSN 6150-01-350-5929
NSN 5999-01-464-2828
NSN 6220-01-380-7148
NSN 7035-01-089-2725
NSN 6130-00-223-2099
NSN 5990-00-929-0500
NSN 5998-00-633-5169
NSN 7035-00-490-0485
NSN 5998-00-684-8186