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 5905-01-160-7110
NSN 5910-01-620-8029
NSN 5990-00-309-0023
NSN 5999-01-025-2850
NSN 5960-01-481-8051
NSN 5998-01-655-3399
NSN 5996-01-560-4260
NSN 6645-00-153-3834
NSN 5915-01-534-7614
NSN 6130-00-681-1496
NSN 6135-00-542-6216
NSN 5950-01-054-3508