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 6240-01-014-5598
NSN 6110-00-465-2375
NSN 5915-01-023-8326
NSN 5920-00-431-5474
NSN 5998-01-603-8705
NSN 5965-01-098-7028
NSN 5999-01-373-3564
NSN 5950-01-169-5821
NSN 5998-00-482-1787
NSN 5855-01-234-5346
NSN 5910-01-065-2826
NSN 6645-01-242-9699