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 6130-00-521-1414
NSN 5945-01-469-7093
NSN 5960-01-612-9844
NSN 4140-00-111-3247
NSN 6620-00-133-8415
NSN 6150-01-400-4211
NSN 6110-01-089-7570
NSN 5999-01-414-1139
NSN 5996-01-142-6465
NSN 5935-00-582-1455
NSN 6620-01-584-9653
NSN 5996-00-497-3809