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 5835-00-034-4976
NSN 5950-01-275-4919
NSN 5895-01-254-9967
NSN 6150-01-634-0575
NSN 5910-00-543-3636
NSN 6320-00-343-1798
NSN 6145-00-174-9344
NSN 5905-01-643-2171
NSN 5985-01-283-3322
NSN 6130-01-568-9682
NSN 5999-00-465-4971
NSN 6650-01-363-0963