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 5960-00-183-8016
NSN 7035-01-470-7894
NSN 6620-00-299-2530
NSN 5960-01-358-9733
NSN 6220-01-290-4739
NSN 6135-00-221-4720
NSN 5925-00-244-0711
NSN 5935-01-200-0830
NSN 6320-01-054-3046
NSN 6320-01-487-0336
NSN 4140-00-269-5795
NSN 2925-01-444-2061