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 5925-00-833-7952
NSN 7035-01-461-1066
NSN 5910-00-221-4496
NSN 5999-01-137-9822
NSN 6320-01-125-3361
NSN 5975-01-608-3696
NSN 5965-01-453-7504
NSN 5895-01-634-0630
NSN 6240-01-562-8509
NSN 6220-01-551-6365
NSN 5945-00-330-9364
NSN 5945-01-411-6180