The first expansion module with a pH, ORP, temperature (or 2 pH and 1 temperature), and 6 digital inputs is available now.

The PX 1000 features are: Monitor/Control pH, ORP, and temp probe or 2 pH and temp probe. 6 digital inputs for float switches, water on floor sensors, pressure sensors, etc.

Full datalogging support in AquaController and Aqua Notes. (1024 data points per measured parameter) Up to 7 expansion modules can be used. For a AC3 that would make a total of 24 probes and 42 digital inputs. Attaches to AquaController 3's I/O port with a 5' cable. Additional Expansion modules daisy chain off the previous expansion module.