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 5945-01-392-1935
NSN 6320-00-466-0371
NSN
NSN 5920-01-320-5997
NSN 5895-01-501-5548
NSN 5999-01-158-2896
NSN 5925-01-084-2370
NSN 5998-01-283-5813
NSN 7035-01-388-6943
NSN 6320-01-177-3192
NSN 5945-01-110-6998
NSN 6105-01-417-6277