wire the relay output to your dosing pump or control equipment

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For the most current material safety information

Why Replace Electrodes

or maintaining a hydroponic growing system

Hanna HI1270 Replacement pH Electrode for HI98103 Checker pH Meter HI96813 wire the relay output toThe HI1270 is the replacement pH electrode for the previous model of the HI98103 Checker pH meter. Replacing the pH electrode is both quick and easy. Simply unscrew the old probe to be replaced and screw on the new one. The HI1270 is the replacement pH electrode for the HI98103 Checker pH meter prior to the meter's update. The HI1270 is a single junction pH electrode that has a slim 8 mm polypropylene body that easily fits into test tube and other