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 5920-01-096-1864
NSN 6135-00-057-2005
NSN 6320-00-456-0836
NSN 5999-00-518-1007
NSN 5945-00-453-9299
NSN 5905-01-026-4800
NSN 5925-00-484-7695
NSN 5960-01-413-3877
NSN 6150-01-573-1923
NSN 2925-00-480-9068
NSN 6650-01-393-4152
NSN 5930-01-256-3261