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 6145-00-681-1585
NSN 6685-00-936-9852
NSN 6320-01-116-3980
NSN 6110-00-845-0206
NSN 6650-01-004-1625
NSN 5930-01-016-7698
NSN 6220-00-403-6808
NSN 5965-01-559-7390
NSN 5855-00-779-2854
NSN 6320-00-025-9910
NSN 6320-01-021-6633
NSN 5935-01-392-2982