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 6610-00-782-0761
NSN 6610-01-524-9315
NSN 2925-00-233-5644
NSN 6320-01-428-9205
NSN 6610-01-607-3556
NSN 4140-00-823-9194
NSN 5985-01-106-3968
NSN 5930-01-276-0002
NSN 5895-01-120-7958
NSN 5999-01-175-0032
NSN 6220-01-417-2675
NSN 6130-01-407-8198