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 5945-01-260-3792
NSN 2925-00-831-7024
NSN 6650-01-044-6179
NSN 6105-00-782-1857
NSN 6610-01-013-8922
NSN 5915-00-901-4620
NSN 6220-00-935-6881
NSN 5930-00-269-4996
NSN 6220-01-301-7671
NSN 5930-01-036-4015
NSN 6110-00-243-1646
NSN 5925-01-185-9897