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 5960-01-294-2397
NSN 5990-01-118-8624
NSN 6645-01-108-7904
NSN 6650-01-575-1044
NSN 6685-01-359-2723
NSN 5905-01-419-9703
NSN 6320-01-103-6218
NSN 5925-00-128-9106
NSN 6110-00-200-4777
NSN 5950-00-730-9480
NSN 5910-01-633-9963
NSN 5950-01-215-1500