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 5999-01-204-2875
NSN 6220-00-930-3146
NSN 5965-00-244-6055
NSN 6620-01-360-9680
NSN 4140-01-386-6688
NSN 5920-00-781-9317
NSN 5998-01-182-4324
NSN 5895-01-202-1288
NSN 5905-01-654-0992
NSN 6145-01-117-2458
NSN 6150-00-254-1041
NSN 5998-00-943-8114