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 5835-01-035-9345
NSN 6110-01-068-3982
NSN 6130-00-350-1512
NSN 2925-00-403-5036
NSN 6135-01-022-5427
NSN 5915-00-649-8763
NSN 6150-00-216-8960
NSN 7035-01-582-6442
NSN 4140-01-287-0563
NSN 5935-01-022-7215
NSN 6105-00-214-0451
NSN 5945-01-141-3209