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iTHERM MultiSens Bundle TMS31 Multipoint thermometer

Direct contact TC/RTD temperature profiling solution with flexible metal rope for silos and storage tank applications

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iTHERM MultiSens Bundle TMS31 Multipoint thermometer

Direct contact TC/RTD temperature profiling solution with flexible metal rope for silos and storage tank applications

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Benefits

  • Easy installation and process integration thanks to a high degree of customization
  • Flexible rope that adapts to different silos or tank operating conditions (filling, emptying, storage, …)
  • Intrinsically safe device for use in Ex areas
  • Highly robust design for a long product lifetime and continuous monitoring in all conditions
FLEXible answers to individual needs
Current product

iTHERM MultiSens Bundle TMS31 Multipoint thermometer

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  • Specialized products
  • Designed for demanding applications

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 iTHERM TMS31 MultiSens
TMS31
Specifications
Measuring / Application task Thermometer
No results found Try adjusting your search terms to see more results.
Description

The iTHERM TMS31 is a versatile, modular multipoint temperature assembly designed for temperature average detection and profiling in grain, organic bulk material storage silos and in oil, fuel storage tanks. The device’s mechanical robustness and accurate temperature sensors offer the necessary characteristics for safe, reliable and economic product storage operations. In its standard configuration it is available with up to 20 thermocouple (TC) or RTD sensors fitted to a primary metal rope.

Field of application
  • Oil storage tanks
  • Bulk material silos
Benefits
  • Easy installation and process integration thanks to a high degree of customization
  • Flexible rope that adapts to different silos or tank operating conditions (filling, emptying, storage, …)
  • Intrinsically safe device for use in Ex areas
  • Highly robust design for a long product lifetime and continuous monitoring in all conditions
Downloads
Most downloaded
Technical Information (TI)
TI iTHERM MultiSens Bundle TMS31 Multipoint thermometer Direct contact TC/RTD temperature profiling solution with flexible metal rope for silos and storage tank applications
English version - 10/2025
Download
Operating Instruction (BA)
BA iTHERM MultiSens Bundle TMS31 Multipoint thermometer Direct contact TC/RTD temperature profiling solution with flexible metal rope for silos and storage tank applications
English version - 11/2025
Download
Ex Safety Instruction (XA)
XA iTHERM MultiSens Bundle TMS31 ATEX/IECEx:
Ex ia IIC T6...T1 Ga
Ex ia IIIC T85°C...T450°C Da/Db
Ex ia/db IIC T6...T1 Ga/Gb
Ex ia/tb IIIC T85°C...T450°C Da/Db
English version - 05/2025
Download
The CAD Drawings will be available after the configuration.
All downloads
38 Downloads
Technical Information (TI)
Most downloaded
TI iTHERM MultiSens Bundle TMS31 Multipoint thermometer Direct contact TC/RTD temperature profiling solution with flexible metal rope for silos and storage tank applications
English version - 10/2025
Download
Operating Instruction (BA)
Most downloaded
BA iTHERM MultiSens Bundle TMS31 Multipoint thermometer Direct contact TC/RTD temperature profiling solution with flexible metal rope for silos and storage tank applications
English version - 11/2025
Download
Ex Safety Instruction (XA)
XA iTHERM MultiSens Bundle TMS31 ATEX/IECEx:
Ex ia IIC T6...T1 Ga
Ex ia IIIC T85°C...T450°C Da/Db
Ex ia/db IIC T6...T1 Ga/Gb
Ex ia/tb IIIC T85°C...T450°C Da/Db
English version - 05/2025
Download
Ex Safety Instruction (XA)
XA iTHERM MultiSens Bundle TMS31 0Ex ia IIC T6...T1 Ga X
Ex ia IIIC T85°C...T450°C Da/Db X
0/1Ex ia IIC T6...T1 Ga/Gb X
0/1Ex ia/db IIC T6...T1 Ga/Gb X
Ex ia/tb IIIC T85°C...T450°C Da/Db X
English version - 05/2025
Download
Ex Safety Instruction (XA)
XA iTHERM MultiSens Bundle TMS31 Ex ia IIC T6...T1 Ga
Ex ia IIC T6...T1 Ga/Gb
Ex ia IIIC T<sub>200</sub>85°C...T<sub>200</sub>450°C Da/Db
Ex ia/db IIC T6...T1 Ga/Gb
Ex ia/tb IIIC T<sub>200</sub>85°C...T<sub>200</sub>450°C Da/Db
English version - 09/2025
Download
Special Documentation (SD)
Device viewer Technical documentation in other languages
English version - 07/2021
Download
PU (Publication)
Temperature measurement Thermometers and transmitters for the process industry
English version - 07/2026
Download
Competence Brochure (CP)
Kompetenzbroschüre Erstellung von Temperaturprofilen Vorgefertigte Lösungen für die Öl- und Gasindustrie und die petroch emische Industrie Kompetenzbroschüre
Erstellung von Temperaturprofilen
Vorgefertigte Lösungen für die Öl- und Gasindustrie und die
petroch
emische Industrie
German version - 07/2023
Download
Competence Brochure (CP)
Competence brochure Temperature Profiling Pre-engineered solutions for the oil & gas, petrochemical industries Competence brochure
Temperature profiling
Pre-engineered solutions for the oil & gas,
petrochemical and chemical industr
ies
English version - 07/2023
Download
Case Study (CS)
Örnek Olay İncelemesi: Dökme katılarda tahıl tozunun tutuşmasını önleyin Örnek Olay İncelemesi: Dökme katılarda tahıl tozunun tutuşmasını önleyin
Tesis ve personel güvenliğinin nasıl sağlanacağını deneyimlediniz mi?
Turkish version - 03/2024
Download
Case Study (CS)
Schutz vor Staubentzuendung in Schuettgutsilos Wie kann die Sicherheit von Anlagen und des Personals
sichergestellt werden?
German version - 10/2023
Download
Case Study (CS)
Case Study: Prevent grain dust ignition in bulk solids Case Study: Prevent grain dust ignition in bulk solids
Experience how to secure plant and personel safety?
English version - 09/2023
Download
Case Study (CS)
Case Study: Prevenga la ignición del polvo de granos en sólidos a granel Case Study: Prevenga la ignición del polvo
de granos en sólidos a granel
¿Conoce cómo garantizar la seguridad de la planta
y del personal?
Spanish version - 04/2024
Download
Case Study (CS)
벌크 사일로 내 곡물 분진 폭발 방지 플랜트와 근로자의 안전을 확보하는 방법
Korean version - 04/2024
Download
Case Study (CS)
История успеха Предотвращение возгорания зерновой пыли в силосах с сыпучим материалам
Russian version - 04/2024
Download
Case Study (CS)
Succes story Zapobieganie zapłonowi pyłu zbożowego w silosach magazynowych
Polish version - 04/2024
Download
Case Study (CS)
Prévenir l’inflammation des poussières de céréales dans les silos Comment assurer la
sécurité des installations
et du personnel ?
French version - 03/2024
Download
Case Study (CS)
Methanol sicher und effizient nutzen Everllence setzt auf smarte Messtechnik von Endress+Hauser
German version - 12/2025
Download
Case Study (CS)
防止粮仓自燃爆炸 如何保证工厂和人员的安全?
Chinese version - 10/2023
Download
Case Study (CS)
バルクサイロ内の穀物粉塵の発火を防ぐ バルクサイロ内の穀物粉塵の発火を防ぐ
工場と従業員の安全を確保するには?
Japanese version - 03/2024
Download
Case Study (CS)
Zabraňte vznícení obilného prachu v silech Zabraňte vznícení obilného
prachu v silech
Jak zajistit bezpečnost
provozu a personálu?
Czech version - 03/2024
Download
Case Study (CS)
Casestudy Voorkom stofexploxies in graansilo's Voorkom stofexplosies met behulp van
multipointtemperatuurmeting
Dutch version - 03/2024
Download
Case Study (CS)
Using methanol safely and efficiently Everllence relies on smart measurement technology from Endress+Hauser
English version - 02/2026
Download
AI (Application note)
Transform your chilled water storage tank into an energy and cost-efficient system A reputed global telecommunication company was able to achieve very low
maintenance requirement and costs by using a simple but innovative
Multipoint temperature solution for accurate measurement of chilled
water
storage tank.
English version - 10/2019
Download

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Spare parts and accessories

further parts
further parts

iTEMP TMT31, Transmitter 4-20mA

further parts
further parts
Order code TMT31-
further parts
further parts

iTEMP TMT71, Transmitter 4-20mA

further parts
further parts
Order code TMT71-
further parts
further parts

iTEMP TMT72, Transmitter HART

further parts
further parts
Order code TMT72-
further parts
further parts

iTEMP TMT82, Transmitter HART

further parts
further parts
Order code TMT82-
Spare parts & accessories

Selection of compatible products

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