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 5920-00-196-3631
NSN 4140-01-087-7607
NSN 7035-01-426-4133
NSN 5975-00-072-6075
NSN 6610-00-768-9619
NSN 6650-00-349-8732
NSN 6645-01-370-5264
NSN 6320-00-336-9123
NSN 5855-01-441-1392
NSN 5895-00-501-8174
NSN 6145-00-394-9120
NSN 5925-00-477-9644