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 7035-01-537-0033
NSN 5999-00-406-5773
NSN 6220-00-249-1219
NSN 5855-00-189-6066
NSN 5920-00-199-4050
NSN 6130-00-433-9422
NSN 6150-01-308-6632
NSN 5950-00-615-9933
NSN 5965-01-162-8689
NSN 5990-01-267-3590
NSN 6610-00-755-1740
NSN 6685-01-480-5324