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 5960-00-079-8489
NSN 6220-01-069-3685
NSN 5930-01-594-5175
NSN 5895-00-998-1199
NSN 6145-00-921-7990
NSN 4140-01-260-4156
NSN 5990-01-412-9020
NSN 5985-01-364-1149
NSN 5930-00-105-9714
NSN 5835-01-193-6192
NSN 5905-00-372-0609
NSN 6610-00-982-6768