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 5950-01-589-4146
NSN 5965-00-439-6287
NSN 5945-01-261-0318
NSN 5920-00-059-4659
NSN 5935-01-407-3731
NSN 6320-01-353-9753
NSN 6220-00-202-8591
NSN 5925-01-167-9769
NSN 6130-01-437-6050
NSN 5990-00-824-4654
NSN 6135-01-336-3115
NSN 5920-01-580-0777