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 5895-01-293-4725
NSN 5915-01-065-1127
NSN 5985-01-107-3360
NSN 5999-01-644-2727
NSN 5985-01-343-3732
NSN 5998-01-364-0960
NSN 5835-00-447-1924
NSN 5855-01-599-3102
NSN 5990-01-024-9659
NSN 5975-01-027-1642
NSN 6610-01-086-0158
NSN 5925-01-163-9088