Aqua Master P110 Pro Electrode This replaceable pH, EC, and temperature electrode is suitable for the P110 Pro combo pen. The electrode is IP67 waterproof when attached onto the meter. Please refer to our User Manual for instructions on how to replace the electrode or check out the how-to video. Directions Properly unscrew the sealing ring in the lower part of the meter. Remove the defected/old electrode by gently pulling it. Carefully place the new electrode with the recess in the correct position so that the connectors properly connect and do not damage the meter or electrode. Check that the rubber seal is properly placed. Tightly tighten the sealing ring. Calibrate the meter as described in this manual. The meter is now ready for use. Videos P110 - Replace the electrode
