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 5985-00-167-7898
NSN 6150-00-322-7312
NSN 6610-01-136-0662
NSN 5835-01-468-6170
NSN 2925-00-261-5800
NSN 5925-01-257-8244
NSN 6620-00-516-3204
NSN 6240-01-131-4454
NSN 6320-01-220-2264
NSN 2925-00-400-5634
NSN 6620-00-923-8470
NSN 5945-00-064-5205