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 5910-00-930-5404
NSN 6130-00-528-7838
NSN 6130-00-659-8106
NSN 6610-01-414-1755
NSN 5920-01-165-6881
NSN 6130-00-900-4758
NSN 2925-00-333-4702
NSN 5835-01-593-7579
NSN 5895-01-176-2283
NSN 6650-01-029-2995
NSN 6620-00-329-3763
NSN 6320-01-631-7828