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 6105-00-031-0081
NSN 7035-00-126-1899
NSN 5915-00-521-1148
NSN 5965-01-593-5607
NSN 5960-00-816-9040
NSN 5996-01-202-8127
NSN 5930-00-570-7581
NSN 5910-00-010-8720
NSN 5950-01-056-5157
NSN 5985-01-561-1939
NSN 6240-01-500-2442
NSN 5915-01-364-0795