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 5910-01-608-9380
NSN 6645-01-364-4042
NSN 5935-01-357-2368
NSN 6610-00-331-3460
NSN 7035-01-085-5955
NSN 5905-00-188-0005
NSN 5990-01-493-4039
NSN 5950-00-581-4636
NSN 6135-01-633-8502
NSN 5945-00-206-2774
NSN 6320-01-362-9518
NSN 5990-01-452-0911