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 6620-00-527-9280
NSN 6130-00-932-1591
NSN 6610-01-346-2802
NSN 5945-01-044-8242
NSN 5945-00-038-0667
NSN 5935-00-139-3441
NSN 5965-00-574-7525
NSN 6240-00-841-0189
NSN 5945-01-295-7467
NSN 6240-00-419-4301
NSN 6105-00-468-4928
NSN 5915-01-079-7404