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 5965-01-241-0553
NSN 5975-00-781-3065
NSN 5985-01-529-0381
NSN 5965-01-168-8180
NSN 6220-01-630-2010
NSN 5905-00-620-3128
NSN 6145-00-764-4338
NSN 5985-01-364-8213
NSN 5975-00-467-8777
NSN 5945-00-197-7673
NSN 2925-00-246-3077
NSN 5925-00-469-7683