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 7035-01-449-1846
NSN 6110-00-064-0261
NSN 5985-00-492-8111
NSN 5985-01-555-8057
NSN 6620-01-125-8904
NSN 6220-01-434-3872
NSN 5990-01-485-0260
NSN 5895-01-044-5425
NSN 5910-01-463-9061
NSN 5895-01-157-4741
NSN 5895-01-293-9704
NSN 2925-01-052-0636