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 5910-01-552-6266
NSN 5960-01-364-1318
NSN 5998-00-083-0303
NSN 5915-01-407-0075
NSN 4140-01-139-4877
NSN 5855-01-650-3762
NSN 5915-01-601-0611
NSN 5920-01-272-8182
NSN 6150-01-510-9309
NSN 5960-00-156-0702
NSN 6650-01-308-9394
NSN 5996-01-251-4900