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 6135-01-618-8314
NSN 5998-01-363-9935
NSN 6150-01-344-4163
NSN 5930-01-213-7565
NSN 5965-01-426-3225
NSN 5975-01-568-0227
NSN 5985-00-813-2041
NSN 5930-00-518-4790
NSN 5910-01-623-9836
NSN 6220-01-631-3923
NSN 6240-00-443-8000
NSN 5998-01-068-3325