trolmaster aqua-x heavy duty ph sensor

PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2 Sensor Board. It is accurate and heavy duty that can gives almost instantaneous readings shown on the LCD screen of Aqua-X master controller, helping you to monitor the pH level of your water.