Issue link: https://iconnect007.uberflip.com/i/1526666
82 PCB007 MAGAZINE I SEPTEMBER 2024 Conductivity Because PCB wet processes are aqueous, conductivity is a very useful and common sensor, especially for rinse water control. A lot of water is used for rinsing in PCB fabri- cation, and having a conductivity probe for the rinse means that it will only run when it is being used and will stop when the rinse is Figure 3: Basic program for the Archimedes specific gravity sensor design and calibration.