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 5965-01-368-9994
NSN 6645-01-627-8040
NSN 5935-01-328-8619
NSN 5855-01-516-5211
NSN 6105-00-983-7255
NSN 6110-01-446-7126
NSN 5910-00-401-8834
NSN 6320-01-227-2648
NSN 6135-01-142-6456
NSN 5910-00-462-8697
NSN 5930-01-339-4267
NSN 6320-00-937-5625