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 6135-00-276-7625
NSN 6650-01-183-0711
NSN 5910-00-840-3662
NSN 6105-00-224-5358
NSN 6240-01-598-8177
NSN 5945-01-352-5114
NSN 5950-01-321-9901
NSN 6145-00-011-2390
NSN 6220-01-144-0775
NSN 5945-00-066-1274
NSN 6650-00-862-7143
NSN 5950-01-031-6660