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 5999-01-467-3031
NSN 6105-00-472-3808
NSN 5935-00-770-7313
NSN 6105-01-532-1601
NSN 6105-01-207-0845
NSN 5945-00-077-8270
NSN 6320-01-429-9871
NSN 6105-00-187-6070
NSN 6240-01-197-0489
NSN 5835-00-111-3419
NSN 6620-01-317-4233
NSN 6645-00-216-6126