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 6130-00-058-0611
NSN 5905-00-186-8555
NSN 5835-00-892-3510
NSN 6145-00-539-9799
NSN 6685-00-226-1885
NSN 6150-01-446-6345
NSN 6610-00-073-8038
NSN 6130-01-343-3430
NSN 5910-01-539-6005
NSN 6650-01-432-1830
NSN 6110-01-104-4777
NSN 5950-00-526-0658