EXTECH SPARE PH/Mv/temp. electrode

Replacement pH/mV/Temperature Electrode
The PH305 is an electrode capable of measuring pH,mV and Temperature. For use with Extech PH300 Waterproof pH/mV/Temperature Kit, EC600 Waterproof Conductivity Kit, and DO700 Portable Dissolved Oxygen Meter. Comes with a 6 month warranty.

Compatible with DO700 - 9-in-1 Portable Dissolved Oxygen Meter
Compatible with PH300 - 3-in-1 Portable pH/mV/Temperature Meter
Compatible with EC600 - 7-in-1 Waterproof Conductivity Kit