Front panel operator controls shall control the multiple selections of output display formats, automatic tvfm display, automatic output blanking, and display intensity; ac power switch located on front or back; shall be single chassis and mounted in a standard eia 19.000 inch rack; operating temperatures 0 to 50 degrees (c), humidi type 0to 95 percent and cooling convection; non operating temperatures -17 to 100 degrees (c) with 0 to 95 percent humisity and cooling convection; weight shall not exced 6 pounds; 38 data lines representing each displayed decimal digit in binary coded decimal (bcd) format; 8 data lines representing the identification character in adscii format; 2 strobe lines, 1 positive true, and 1 negative true; one sign bit line;
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 6130-00-960-9158
NSN 5960-00-889-5470
NSN 4140-00-225-8586
NSN 6220-00-092-7758
NSN 6105-00-740-7757
NSN 6685-00-202-5233
NSN 6145-01-475-0104
NSN 5935-00-285-2767
NSN 5996-01-309-6002
NSN 6135-01-041-3829
NSN 6220-00-252-8025
NSN 6685-01-194-9420