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 5965-00-150-1144
NSN 6220-01-514-7024
NSN 6620-00-431-3837
NSN 5999-00-468-5879
NSN 6610-01-060-7626
NSN 6105-00-871-2318
NSN 5990-00-943-1790
NSN 5935-01-476-0298
NSN 6145-01-190-8971
NSN 6150-00-670-9410
NSN 5999-01-578-4232
NSN 5999-00-234-7503