What is Option 001 for the Keysight 3458A and is it a retrofittable option?
3458A Option 001 expands reading memory from 20K to 148K (from 10,240 16 bit readings to 65,536 16 bit readings).
Option 001 is a field installable option. Installation of this option does not affect the instrument calibration. The option 001 upgrade kit is part number 03458-87901 for units with Serial Numbers less than US2803152, and 03458-87902 for serial numbers greater than or equal to US2803152. The kit includes the appropriate installation note.