Soe-402 -

The biggest upgrade is the . The 401 model would glitch out if you turned on a power drill next to it. The SOE-402 stayed rock solid.

I wired this up to log temperature and humidity in a paint booth. For the first 48 hours, the data was flawless—clean curves, no dropouts. soe-402

: Covers advanced features like Mail Merge, macros, goal seek, and solver using tools like LibreOffice or OpenOffice. The biggest upgrade is the