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 5945-00-674-8796
NSN 6610-01-018-1792
NSN 2925-01-577-0004
NSN 6150-01-211-6372
NSN 5835-00-897-3123
NSN 5985-01-215-2210
NSN 6240-01-423-1335
NSN 2925-01-178-0063
NSN 7035-00-946-2642
NSN 5990-00-636-2489
NSN 6650-00-375-6632
NSN 6685-00-101-5454