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 6620-00-596-1951
NSN 6650-00-704-3549
NSN 5960-01-288-8910
NSN 5998-01-512-9841
NSN 7035-00-059-7970
NSN 6130-01-063-9043
NSN 6610-01-518-9888
NSN 5910-01-190-5522
NSN 5990-00-304-7038
NSN 5930-00-734-9849
NSN 5960-00-269-4762
NSN 5905-01-114-4225