Used on eara-fc
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 6620-01-206-8919
NSN 5945-01-645-2706
NSN 6685-01-046-6768
NSN 6110-00-518-2998
NSN 6135-01-071-4923
NSN 5895-00-463-5301
NSN 4140-01-540-0550
NSN 6240-00-287-1988
NSN 5910-01-107-6463
NSN 6150-01-380-5516
NSN 5945-00-170-8645
NSN 6620-00-553-8988