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 5835-00-289-9080
NSN 7035-00-252-7467
NSN 5930-00-419-7328
NSN 5855-01-180-2172
NSN 5835-01-566-5462
NSN 5945-01-115-9738
NSN 5835-01-541-9991
NSN 5905-01-180-1461
NSN 6610-00-038-3423
NSN 5910-01-597-3469
NSN 5935-01-595-5592
NSN 6145-01-282-3464