The Oakton WD-35808-90 pH Electrode and Temperaure Sensor (All-in-One), Single Junction, Epoxy, Poly gel-filled, Sealed, 3 feet Cable, ATC (Waterproof 6-Pin), BNC (each).
All-in-One Waterproof electrodes feature a built-in temperature sensor for taking readings with Automatic Temperature Compensation (ATC). Choose a single junction electrode for field, clean water, and general purpose applications. Choose a double junction electrode for most applications, including dirty water, heavy metals and organics applications.