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 5950-00-468-7991
NSN 5925-01-353-2766
NSN 5855-01-056-9607
NSN 7035-00-116-1900
NSN 6135-00-432-8779
NSN 6610-01-433-1457
NSN 5965-01-518-9931
NSN 5935-01-408-5281
NSN 5835-01-642-4705
NSN 5985-00-707-3473
NSN 6130-01-351-4468
NSN 5930-00-552-8190