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 5935-00-597-5055
NSN 6220-01-629-5047
NSN 5996-00-113-3620
NSN 5915-01-138-1110
NSN 6650-01-428-9958
NSN 6105-00-999-7272
NSN 5990-01-416-0362
NSN 6150-00-958-4173
NSN 5905-01-322-4901
NSN 5999-00-269-5320
NSN 6145-01-276-9215
NSN 5975-01-468-6319