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 6620-01-333-4734
NSN 6320-00-841-2279
NSN 7035-01-464-7946
NSN 5965-01-264-8761
NSN 5975-01-293-7802
NSN 5935-00-279-6952
NSN 5965-01-655-5965
NSN 5998-01-191-4351
NSN 5905-01-082-6141
NSN 5910-01-253-4863
NSN 5905-01-065-8332
NSN 6620-00-945-7522