Mettler Toledo InPro 3100/120 PT100 Analog pH Sensor for Bioprocess Applications, 0–14 pH Range

The Mettler Toledo InPro 3100/120 PT100 is a precision-engineered analog pH sensor designed specifically for bioprocessing and pharmaceutical production environments that demand reliable in-line measurement under CIP (Clean-In-Place) and SIP (Sterilization-In-Place) protocols. Featuring a gel-filled electrolyte system and Argenthal silver-ion trap reference, it delivers stable, drift-free readings with minimal maintenance. The sensor’s highly alkali-resistant glass membrane withstands harsh chemical and thermal conditions common in biotechnological workflows.

Key technical specifications include:

This pH sensor is critical in molecular diagnostics, bioprocess monitoring, and biopharmaceutical production pipelines where precise pH control impacts product quality and process efficiency. Its robust design, combined with long-term stability and hygienic biocompatibility certifications, make it a reliable tool for analytical chemistry and live-cell culture monitoring in research and industrial settings.

Widely adopted in synthetic biology research and biomanufacturing, the InPro 3100/120 PT100 supports accurate pH measurement essential for gene editing workflows and essential upstream bioprocess controls. Its analog output enables straightforward integration with standard process control systems in biotechnology facilities.

In summary, the Mettler Toledo InPro 3100/120 PT100 is a state-of-the-art bioprocess pH sensor optimized for rigorous use in biotechnology, pharmaceutical research, and clinical diagnostics applications requiring precise, dependable pH measurement under stringent sterilization conditions.