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 6110-01-090-0804
NSN 5935-00-810-6196
NSN 6610-01-074-1289
NSN 5999-00-124-2494
NSN 5998-00-365-5464
NSN 5935-01-286-2867
NSN 6240-00-553-8891
NSN 5985-01-120-4018
NSN 6610-01-118-7577
NSN 6130-01-617-6397
NSN 5985-01-518-4653
NSN 5960-00-512-9121