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 5855-01-010-4921
NSN 7035-01-110-9355
NSN 5910-01-138-6313
NSN 5930-01-475-6542
NSN 5920-01-179-9739
NSN 5996-00-514-7678
NSN 5950-01-361-9862
NSN 5935-01-039-1772
NSN 5960-01-170-4057
NSN 6320-01-609-9763
NSN 5915-01-323-7154
NSN 5855-01-375-8741