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 6320-01-453-5152
NSN 5915-00-771-1645
NSN 5996-00-818-2606
NSN 6650-01-325-7647
NSN 6105-01-442-3465
NSN 5935-00-455-7836
NSN 7035-01-433-3547
NSN 5930-00-176-4065
NSN 5950-01-386-7182
NSN 6110-01-612-7652
NSN 5910-00-209-6243
NSN 5930-00-174-3576