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 6620-00-816-9755
NSN 6105-00-918-1595
NSN 4140-01-477-3057
NSN 5915-01-237-0683
NSN 5996-01-112-0154
NSN 5910-01-254-0361
NSN 6145-00-937-8895
NSN 5910-01-463-3154
NSN 7035-00-270-5519
NSN 5925-01-272-0894
NSN 5985-00-699-9127
NSN 6145-01-392-2208