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 5895-01-535-0309
NSN 5915-01-522-7416
NSN 6610-01-604-1744
NSN 5965-01-536-0016
NSN 5996-00-878-0273
NSN 2925-00-660-8131
NSN 5965-00-836-2690
NSN 5835-01-453-7731
NSN 5835-01-216-7289
NSN 6105-01-090-6628
NSN 5965-01-209-2838
NSN 5945-00-517-8410