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 5999-01-215-1236
NSN 7035-01-211-5636
NSN 6110-01-085-0964
NSN 5930-01-197-6163
NSN 6130-00-409-2951
NSN 5999-01-080-1294
NSN 6130-01-114-5689
NSN 6220-01-381-1793
NSN 6620-00-155-2608
NSN 5905-01-567-3310
NSN 5930-01-305-0025
NSN 6110-01-165-6844