Mettler Toledo Science 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.⌡Sleeve junction provides fast results and works best in dirty samples. The A41 glass membrane works great in high tempertures and handles harsh chemicals particularly well. 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.