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.

ISM technology stores calibration data in the sensor and automatically transfer it to the meter. High alkali glass membrane provides low-alkali error—ideal for high pH and high temperature applications. 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.