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 5935-00-131-9994
NSN 5930-01-109-8477
NSN 2925-01-397-2495
NSN 5855-01-614-0965
NSN 5920-01-268-9512
NSN 5925-00-576-8179
NSN 6135-01-205-5965
NSN 6110-01-527-0473
NSN 5915-00-463-6623
NSN 6610-01-481-9262
NSN 5935-00-816-9923
NSN 6610-01-099-6186