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 5920-01-336-2259
NSN 5945-01-020-7668
NSN 6620-00-906-1726
NSN 6220-01-185-9331
NSN 5895-01-063-6938
NSN 6240-01-186-6448
NSN 5895-00-415-7162
NSN 6135-01-127-0173
NSN 5925-01-333-2419
NSN 6145-01-341-8243
NSN 5920-00-387-5312
NSN 6135-01-469-6429