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 5915-01-580-0308
NSN 6110-00-253-9523
NSN 5975-00-673-7658
NSN 6220-00-965-7959
NSN 5915-01-067-7927
NSN 5925-01-089-2175
NSN 6150-01-449-1783
NSN 6130-01-518-6115
NSN 5975-01-391-9998
NSN 5925-01-420-9433
NSN 5855-00-973-5717
NSN 6620-01-487-0605