Mettler Toledo Expert pH Electrode; S7

These ISM® - Intelligent Sensor Management electrodes models store calibration data and automatically transfer the data to your meter. Choose open junction versions for dirty and complex samples. Cables not included with all electrodes. For additional versatility—select the one that connects to your meter.

Select the appropriate sensor cable for your application and meter—BNC, waterproof BNC, DIN, Lemo OO, and wire-only cables available.⌡Open junction provides easy cleaning and clog-free measurements. ARGENTHAL™ reference system has a silver ion trap, for silver-ion-free electrolyte. No clogging junction from sulfides or protein binding—perfect for biological samples and TRIS buffers.