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iTHERM ModuLine TT131 Welded thermowell

Metric thermowell for a wide range of industrial applications

Office situation support
Have questions about this product?

iTHERM ModuLine TT131 Welded thermowell

Metric thermowell for a wide range of industrial applications

Get a quote
Office situation support
Have questions about this product?

Benefits

  • Modular configuration according to DIN 43772
  • iTHERM QuickNeck: cost and time savings thanks to simple, tool-free recalibration of the insert
  • Extension, immersion length and total length can be chosen according to process requirements
  • Wide choice of dimensions, materials and process connections available
  • Specially designed tip for fast response times
FLEXible answers to individual needs
Current product

iTHERM ModuLine TT131 Welded thermowell

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  • High-end products
  • Highly functional and convenient

What is FLEX?

FLEX selections
Technical excellence
Simplicity
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Fundamental selection Meet your basic measurement needs
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Lean selection Handle your core processes easily
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Extended selection Optimize your processes with innovative technologies
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Xpert selection Master your most challenging applications
Variable
Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

Learn more

Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

Learn more

24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

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Product information

Product image industrial thermowell TT131
TT131
Specifications
Measuring / Application task Thermowell
No results found Try adjusting your search terms to see more results.
Description

This thermowell designed according to DIN 43772 guarantees a high resistance to most industrial process environments. It is made from pipe or tube and is available in a wide range of diameters and materials. A specially designed thermowell tip ensures fast response times for a more efficient process control. Oversheaths in PTFE or tantalum can withstand extremely corrosive process conditions. It is offered with a variety of process connections: flanges, threads, weld-in or compression fittings.

Field of application
  • Protects the temperature sensor against physical and chemical stress
  • High robustness for challenging process conditions
  • Pressure range: up to 100 bar (1450 psi)
  • For use in pipes, containers or tanks
  • Improved ease of maintenance (sensor replacement without process shutdown) and recalibration of the measuring point
Benefits
  • Modular configuration according to DIN 43772
  • iTHERM QuickNeck: cost and time savings thanks to simple, tool-free recalibration of the insert
  • Extension, immersion length and total length can be chosen according to process requirements
  • Wide choice of dimensions, materials and process connections available
  • Specially designed tip for fast response times
Downloads
Most downloaded
Technical Information (TI)
TI iTHERM ModuLine TT131 Welded thermowell
English version - 07/2024
Download
Operating Instruction (BA)
Thermowells for thermometers Universal thermowells for thermometers in industrial applications
English version - 08/2020
Download
Special Documentation (SD)
Device viewer Technical documentation in other languages
English version - 07/2021
Download
The CAD Drawings will be available after the configuration.
All downloads
10 Downloads
Technical Information (TI)
Most downloaded
TI iTHERM ModuLine TT131 Welded thermowell
English version - 07/2024
Download
Operating Instruction (BA)
Most downloaded
Thermowells for thermometers Universal thermowells for thermometers in industrial applications
English version - 08/2020
Download
Special Documentation (SD)
Device viewer Technical documentation in other languages
English version - 07/2021
Download
Special Documentation (SD)
SD IEC 61406-1 Automatic identification of physical objects
English version - 05/2023
Download
PU (Publication)
Temperature measurement Thermometers and transmitters for the process industry
English version - 07/2026
Download
Innovation (IN)
Ridurre la complessità, raggiungere la semplicità. Ridurre la complessità,
raggiungere la semplicità.
iTHERM ModuLine — facile da configurare
in base alle vostre esigenze.
Italian version - 04/2025
Download
Innovation (IN)
Reduce complexity, achieve simplicity. iTHERM ModuLine — easily configurable
to your needs.
English version - 02/2026
Download
Innovation (IN)
Komplexität reduzieren, Einfachheit erreichen. iTHERM ModuLine – einfach konfigurierbar für Ihre Bedürfnisse.
German version - 02/2026
Download
Manufacturer Declaration
Product family: Accessories: Bar stock thermowell, Accessories: Pipe thermowell, Accessories: Inserts, Magphant, Process RTD general purpose, Process RTD hygienic, RTD thermometer Product root: DTT31-, DTT35-, TK40-, TM101-, TM111-, TM121-, TM131-, TM311-, TM371-, TM372-, TM401-, TM402-, TM411-, TM412-, TMR35-,
TS111-, TS212-, TT131-, TT151-, TT411-, TT412-
Declaration number: HE_01494_02.26
Manufacturer specification: Food hygiene
Additional information: BSE, TSE
English version - 07/2026
Download
Pressure Equipment
Product family: Accessories: Pipe thermowell, Process RTD general purpose Product root: TM131-, TT131-
Region: Canada (CRN)
Approval agency: CRN
English version - 02/2019
Download

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