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 6320-00-225-7013
NSN 5950-01-569-9200
NSN 5925-01-204-3363
NSN 5920-00-137-5026
NSN 6105-01-572-6288
NSN 6105-00-580-1435
NSN 5910-01-088-8522
NSN 5855-00-832-9341
NSN 4140-00-566-3896
NSN 6320-00-504-1214
NSN 6135-00-930-5372
NSN 5996-01-633-7979