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 6220-00-983-6920
NSN 6685-00-663-9000
NSN 5999-00-427-0914
NSN 6645-00-251-0688
NSN 5985-00-045-9696
NSN 6320-00-681-1324
NSN 6650-01-646-1643
NSN 5905-01-011-3847
NSN 2925-01-596-9448
NSN 5998-01-394-6111
NSN 5895-01-648-2670
NSN 5835-00-545-8219