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 5895-01-496-1101
NSN 7035-01-413-3975
NSN 5905-00-051-6229
NSN 5910-00-775-0525
NSN 5910-00-450-6486
NSN 5925-00-140-6367
NSN 6220-01-616-1348
NSN 5935-01-544-3048
NSN 6135-00-904-6780
NSN 5975-00-775-2455
NSN 5835-01-076-4091
NSN 5910-00-224-5823