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 6650-01-027-9879
NSN 6220-01-013-4559
NSN 6645-01-410-8905
NSN 5945-00-252-1698
NSN 6150-01-428-2630
NSN 5985-01-448-8992
NSN 5895-01-118-3334
NSN 6110-01-108-2160
NSN 6110-01-573-0931
NSN 5855-01-351-2541
NSN 6130-01-386-2894
NSN 5990-00-853-9926