pH Electrodes All / pH & Temperature Electrodes All pH & Temperature Electrodes pH Electrodes WTW SenTix® 91 Refillable pH Glass Electrode $572.00 Add To Cart WTW SenTix® 41 - 47 Low Maintenance pH Electrode from $303.00 Select Model SenTix 41 pH Electrode W/ Temperature DIN & Banana Plug 3.3ft Cable (PN 103635) Sentix 41-3 pH Electrode W/ Temperature DIN & Banana Plug 9.9ft Cable (PN 103636) SenTix 42 pH Electrode W/ Temperature DIN and Banana Plug 3.3ft Cable (PN 103637) Add To Cart WTW SenTix® 81 - 87 Series Precision pH Electrodes from $344.00 Select Model SenTix 81 Glass pH combination electrode W/ Temp. DIN & Banana Plug 3.3ft Cable (PN103642) Sentix 82 Glass pH combination electrode W/ Temp. DIN & Banana Plug 3.3ft Cable (PN103643) Sentix 83 Glass pH Electrode W/ Temp DIN & Banana Plug, 3.3ft Cable (PN 103810) Sentix 85 Glass pH Electrode W/ Temp. BNC & Banana Plug, 3.3ft Cable (PN 103812) Sentix 87 Glass pH Electrode W/ Temp. BNC & 2.5MM Jack Connector, 3.3ft Cable (PN 103814) Add To Cart WTW SenTix® Sp Spear-type pH Combination Electrode from $435.00 Select Model Sentix Sp Spear-type pH combination electrode (PN 103645) Sentix Sp-DIN Spear-type pH combination electrode (PN 103730 Add To Cart