Used on eara-fc
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 5965-00-004-6371
NSN 5975-01-315-1801
NSN 6610-01-476-3163
NSN 6685-01-547-9081
NSN 6110-01-416-2644
NSN 6320-01-425-1417
NSN 6650-01-497-1773
NSN 6240-01-508-7830
NSN 6220-01-151-5161
NSN 6135-01-100-3593
NSN 5910-01-528-9819
NSN 5920-01-354-9711