Opti-ranging
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 5855-00-760-3870
NSN 6620-01-357-0757
NSN 5915-00-383-1471
NSN 5920-01-512-6793
NSN 5910-01-123-9556
NSN 5910-00-241-5839
NSN 5996-00-827-8651
NSN 6145-00-052-5410
NSN 6145-00-995-9428
NSN 5935-01-278-4480
NSN 7035-01-403-2841
NSN 5950-01-273-1042