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 5905-00-572-7502
NSN 6145-00-818-8679
NSN 2925-01-503-6792
NSN 5990-01-493-4039
NSN 5996-01-040-9680
NSN 5945-01-442-7188
NSN 5935-00-536-3325
NSN 6145-01-204-4872
NSN 6145-01-140-1538
NSN 6220-00-153-9704
NSN 6650-00-147-4887
NSN 5950-00-253-2569