Critical Technical Advantages
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Optimized for Sterile Applications: The TM311 is manufactured from high-grade stainless steel with a hygienic design that meets the strictest international requirements, including 3-A, EHEDG, ASME BPE, and FDA. Its IP69 protection rating ensures it can withstand high-pressure washdowns and steam cleaning (CIP/SIP).
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Rapid Response with TipSens Technology: By utilizing advanced TipSens RTD technology (Pt100, Class A), the thermometer achieves response times as low as 1.5 seconds ($t_{90}$). This allows for near-instantaneous process control, which is vital for pasteurization and sterilization loops.
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Smart IO-Link Connectivity: The device features an auto-detecting IO-Link interface. This allows for digital data transmission, remote parameterization, and automated device replacement. It can also function as a simple thermal switch (PNP) or a traditional 4 to 20 mA analog transmitter.
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Extreme Compactness for Skid Builders: Its reduced dimensions and standardized M12 electrical connector make it perfect for tight installations in compact machinery and modular process skids.
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High Accuracy with Short Immersion: Unlike standard sensors that require long immersion lengths to avoid thermal conduction errors, the TM311 is engineered to maintain high accuracy even in small-diameter pipes. Accuracy can be further improved via transmitter-sensor matching.
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Safety and Marine Approvals: Beyond hygienic certifications, the TM311 is compliant with EN 61010-1 and carries DNV GL marine approval, making it suitable for use in shipboard galleys or offshore food processing units.
Technical Performance Matrix
| Feature | Details |
| Measuring Range | -50 to 200 °C (-58 to 392 °F) |
| Output Options | Pt100 (4-wire), IO-Link, 4-20 mA, 1x PNP Switch |
| Response Time ($t_{90}$) | 1.5 s (TipSens technology) |
| Max. Pressure | 50 bar (725 psi) |
| Protection Class | IP69 (Highest washdown protection) |
| Connection | M12 Plug (A-coded) |
| Approvals | 3-A, EHEDG, FDA, ASME BPE, DNV GL |
Primary Applications
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Food & Beverage Processing: Monitoring temperatures in milk pasteurizers, brewery mash tuns, and juice bottling lines.
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Life Sciences and Pharma: Aseptic temperature measurement in bioreactors, filtration skids, and purified water (WFI) systems.
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Modular Skid Building: Providing a standardized, compact temperature solution for OEMs who export machinery globally.
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Clean-in-Place (CIP) Systems: Tracking the temperature of cleaning agents and rinse water to ensure microbial safety.
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Marine Galley Equipment: Reliable temperature control in professional kitchens on cruise ships and commercial vessels.
