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 5965-00-393-1294
NSN 6650-00-299-9681
NSN 7035-00-421-8710
NSN 5895-01-139-9719
NSN 6150-01-369-9580
NSN 5985-01-493-9298
NSN 6685-01-467-2493
NSN 6320-00-809-5744
NSN 6110-00-937-0042
NSN 6105-01-519-4223
NSN 5895-01-422-9839
NSN 5930-00-006-5737