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 6130-00-678-3749
NSN 5960-01-489-1510
NSN 6150-01-562-4970
NSN 6240-01-442-9492
NSN 5920-01-088-8312
NSN 6220-00-079-4840
NSN 5910-00-470-2772
NSN 5925-01-551-2077
NSN 5996-00-420-3648
NSN 5960-01-328-1533
NSN 6645-00-938-2173
NSN 5999-01-123-9499