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 6610-00-315-9315
NSN 7035-00-541-8516
NSN 5965-00-129-9779
NSN 5835-01-370-4292
NSN 4140-01-612-3081
NSN 6240-00-292-3237
NSN 6220-00-736-8791
NSN 6610-01-158-7311
NSN 5985-01-199-9100
NSN 6135-01-598-9890
NSN 5935-01-205-3609
NSN 6650-00-299-9681