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In industrial environments, invasive temperature measurement using thermal wells has long been the standard for achieving high accuracy and fast response times. However, installing these assemblies often requires process penetration, which can introduce safety risks, increase costs, and complicate maintenance.
Recent developments have made non-invasive temperature measurement a practical alternative. Read the Q&A to learn more.

Q: How have non-invasive temperature measurement technologies improved in recent years?
A: Recent innovations in sensor design and thermal coupling have overcome the limitations of traditional surface-mounted sensors, enabling non-invasive solutions to achieve the accuracy required for many control applications, not just approximate monitoring.
Q: What key features enable Endress+Hauser’s iTHERM SurfaceLine TM611 thermometer to achieve accurate non-invasive measurements?
A: Endress+Hauser’s iTHERM SurfaceLine TM611 achieves accuracy through enhanced thermal coupling, a graphite foil interface that eliminates air gaps, support for various sensor types (RTDs and thermocouples) and simple clamp-based installation without process penetration.
Q: What practical advantages does iTHERM SurfaceLine TM611 offer compared to invasive methods?
A: The device’s non-invasive installation reduces the need for process penetration, thus lowering safety risks, simplifying maintenance and cutting down on associated costs, while still delivering accurate temperature measurements
Learn more from our experts
Watch the full online seminar recording to explore real-world applications, field data and expert insights on non-invasive temperature measurement.
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