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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 5935-01-208-1247
NSN 5945-01-630-2480
NSN 5930-01-239-8834
NSN 6145-01-248-7887
NSN 6610-01-212-2969
NSN 6150-01-256-9040
NSN 5935-01-250-3908
NSN 5895-01-485-0134
NSN 6650-01-030-5545
NSN 5998-01-613-7308
NSN 5915-01-555-8852
NSN 5910-00-028-2216