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 6105-00-857-1186
NSN 5855-00-361-0167
NSN 5915-01-385-1866
NSN 5920-01-224-6031
NSN 5920-01-434-4037
NSN 6645-01-462-3754
NSN 6610-01-109-1826
NSN 5920-01-650-1820
NSN 5895-01-371-3977
NSN 6650-00-175-1342
NSN 6220-01-355-6163
NSN 5855-01-457-2953