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 6130-00-101-0566
NSN 2925-01-058-1718
NSN 7035-01-455-3482
NSN 5910-00-587-0759
NSN 5930-00-100-5244
NSN 6645-01-357-4815
NSN 5975-01-581-8127
NSN 6620-00-106-9658
NSN 6240-01-629-6174
NSN 6130-01-308-3040
NSN 5999-01-579-2804
NSN 5930-01-576-3226