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 5915-01-349-5676
NSN 5905-00-011-8863
NSN 6130-00-806-2731
NSN 6220-00-935-6881
NSN 5960-01-456-1735
NSN 5920-01-412-3383
NSN 5905-00-282-2504
NSN 5965-01-496-4765
NSN 6620-00-270-3275
NSN 5915-01-190-9476
NSN 6220-01-607-7316
NSN 6220-00-863-7838