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 6240-01-535-7359
NSN 5855-00-491-7079
NSN 6620-00-819-0493
NSN 6240-01-590-7275
NSN 5910-00-052-9444
NSN 6645-00-226-2270
NSN 2925-00-066-4253
NSN 6620-01-470-3854
NSN 6110-00-781-4285
NSN 6145-00-719-7395
NSN 5920-01-133-9716
NSN 5915-01-023-2555