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 5960-00-763-5390
NSN 5960-01-394-3846
NSN 5999-00-904-0719
NSN 5950-01-397-4729
NSN 5975-00-476-1104
NSN 5855-00-014-5008
NSN 5999-01-348-9887
NSN 2925-01-394-5650
NSN 5975-00-614-9686
NSN 6145-01-488-7822
NSN 6620-01-616-0884
NSN 6320-01-215-2284