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 5915-01-228-3765
NSN 5996-01-197-7005
NSN 5996-00-104-9511
NSN 5835-01-264-8782
NSN 6150-01-121-7126
NSN 6240-01-210-7052
NSN 5835-00-315-3797
NSN 5950-00-613-8561
NSN 6220-01-471-3401
NSN 5985-01-523-0350
NSN 6645-01-304-4308
NSN 6145-01-303-9840