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 5855-01-352-7033
NSN 6110-00-193-1936
NSN 6150-01-454-2106
NSN 5895-00-100-4311
NSN 6105-00-659-3890
NSN 5935-01-513-9990
NSN 5990-00-616-4289
NSN 5935-00-289-3903
NSN 5905-01-625-7274
NSN 6610-00-950-7105
NSN 5998-01-539-4148
NSN 4140-01-499-8906