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 5975-01-593-9070
NSN 6220-00-244-3600
NSN 6240-00-494-0927
NSN 6240-01-368-3280
NSN 6150-01-109-0943
NSN 5999-00-521-6746
NSN 6650-01-565-6977
NSN 6650-00-439-8360
NSN 5999-01-324-1422
NSN 6150-00-832-5164
NSN 6110-01-466-1506
NSN 6645-01-289-2950