WCTW100PN-A Cooling tower control with probe 20ft cable

These controllers feature up to 24 sensor inputs and 12 relay outputs, and has four I/O slots that allow flexibility in adding analog outputs, sensors, and linear polarization resistance (LPR)...

These controllers feature up to 4 inputs and 6 relay outputs. The universal sensor input is capable of using contacting conductivity, electrodeless conductivity, pH, ORP or disinfection sensor types...

This controller offers powerful control for your etching or electroless plating process. You can use the controller to measure nickel, copper, pH/ORP and conductivity.