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 5965-01-291-0384
NSN 5855-01-223-0833
NSN 5996-01-440-9660
NSN 6320-01-292-6635
NSN 7035-00-763-6180
NSN 5915-01-454-0459
NSN 5975-01-285-0957
NSN 5905-01-423-3090
NSN 6150-01-353-8144
NSN 2925-01-197-7864
NSN 5925-00-349-7046
NSN 6220-01-544-4837