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 6110-01-535-7162
NSN 5905-00-892-0582
NSN 5945-01-226-6851
NSN 6105-01-293-7688
NSN 5935-00-557-5213
NSN 2925-01-106-8871
NSN 6130-01-046-6776
NSN 6620-01-340-9425
NSN 5950-01-595-7627
NSN 6135-00-347-0595
NSN 5996-01-042-8554
NSN 5835-01-009-9173