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 5999-01-562-8757
NSN 5930-00-847-8026
NSN 6620-00-286-5721
NSN 5985-01-575-9744
NSN 6110-01-134-6550
NSN 5905-01-614-4176
NSN 5905-01-459-2997
NSN 6320-01-648-5538
NSN 2925-01-609-3525
NSN 5996-00-006-1118
NSN 2925-01-533-7904
NSN 5975-01-331-0598