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 5855-00-688-9954
NSN 5925-00-246-4645
NSN 5945-01-123-6293
NSN 6220-01-292-0980
NSN 5960-01-151-4518
NSN 6610-01-285-4673
NSN 5950-01-022-2092
NSN 6145-00-220-9933
NSN 6105-01-156-6873
NSN 5960-01-425-1454
NSN 5835-01-495-0595
NSN 5999-01-182-7333