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 6610-00-987-9716
NSN 6220-01-121-0850
NSN 6150-00-079-4323
NSN 6150-01-141-6604
NSN 6320-01-506-9439
NSN 6320-01-387-3230
NSN 5999-01-200-7985
NSN 6150-01-479-2905
NSN 5985-01-483-5632
NSN 6105-01-065-6660
NSN 5950-01-579-7064
NSN 6620-01-488-9547