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 5950-01-115-7676
NSN 6320-00-506-2314
NSN 5999-01-526-0414
NSN 5905-00-007-7188
NSN 5895-01-423-9146
NSN 5998-01-277-4306
NSN 6320-01-054-3046
NSN 5996-01-391-8776
NSN 5930-01-275-9249
NSN 5999-01-575-4029
NSN 5895-00-596-8678
NSN 5965-01-595-9498