Gate time: 1 second to 1 microsecond, dependent upon resolution; opt5804: band 3 freq extension module; opt5809: ovenized high stability timebase; opt5810: delaying pulse generator; frequency extension accessories: opt890: frequency extension cable kit; opt091: remote sensor 26.5-40.0ghz
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 6620-01-318-8314
NSN 5895-01-034-2115
NSN 5960-00-128-3818
NSN 6220-00-672-4189
NSN 5910-01-653-7294
NSN 6320-00-261-9136
NSN 6110-01-435-4082
NSN 6220-01-608-5611
NSN 5990-01-206-3606
NSN 6610-01-470-6480
NSN 4140-01-645-9132
NSN 5960-01-547-6699