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 5998-00-528-1679
NSN 6220-00-199-3453
NSN 5945-00-823-5945
NSN 6610-00-826-7235
NSN 6320-01-631-7828
NSN 5895-00-107-7891
NSN 7035-01-092-5723
NSN 5990-01-581-5103
NSN 4140-01-431-6560
NSN 6150-01-327-2156
NSN 5910-01-384-9152
NSN 5965-00-855-4500