Opt 003 is a rack adapter; opt 008 is a systems interface; & opt 010 is a rear input
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 7035-01-386-5722
NSN 6220-01-580-1030
NSN 6110-01-438-8824
NSN 5945-01-359-5867
NSN 5985-01-651-9584
NSN 6130-00-073-7414
NSN 6650-00-889-6802
NSN 5975-00-961-2556
NSN 6145-01-494-6919
NSN 5998-01-261-6711
NSN 5985-01-182-7437
NSN 5945-01-512-3847