Name: iTHERM MultiSens Slim TMS21
Brand: Endress+Hauser
Availability: InStock

iTHERM MultiSens Slim TMS21 Multipoint thermometer

Low invasive bendable TC temperature profiling solution for petrochemical and chemical applications

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iTHERM MultiSens Slim TMS21 Multipoint thermometer

Low invasive bendable TC temperature profiling solution for petrochemical and chemical applications

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Benefits

High number of measuring points in a small diameter
Low invasiveness temperature profiling probe
Easy mounting and cabling

Services and resources

Product Support Product documentation, troubleshooting articles, device details and more.

FLEXible answers to individual needs

Current product

iTHERM MultiSens Slim TMS21 Multipoint thermometer

Specialized products
Designed for demanding applications

What is FLEX?

FLEX selections

Technical excellence

Simplicity

Fundamental selection Meet your basic measurement needs

Lean selection Handle your core processes easily

Extended selection Optimize your processes with innovative technologies

Xpert selection Master your most challenging applications

Variable

Learn more about the FLEX selections

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.

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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.

Selection of compatible products

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Surge protective device for installation in the field device for power supply and communication signals optional with SIL and Ex approval

HAW562 surge protective device

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RIA14 process indicator

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Spare parts and accessories

further parts

iTEMP TMT31, Transmitter 4-20mA

further parts

Order code TMT31-

further parts

iTEMP TMT71, Transmitter 4-20mA

further parts

Order code TMT71-

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iTEMP TMT72, Transmitter HART

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Order code TMT72-

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iTEMP TMT82, Transmitter HART

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Order code TMT82-

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Choose from our suggested options

Looking for more options?

Use the extended configuration to configure from all available options.

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Configure from all available options Use extended configuration

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Configuration details

TMS21

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CAD Drawings

Configuration support

Spare parts and accessories

further parts

iTEMP TMT31, Transmitter 4-20mA

further parts

Order code TMT31-

further parts

iTEMP TMT71, Transmitter 4-20mA

further parts

Order code TMT71-

further parts

iTEMP TMT72, Transmitter HART

further parts

Order code TMT72-

further parts

iTEMP TMT82, Transmitter HART

further parts

Order code TMT82-

Spare parts and accessories

Selection of compatible products

HAW569 surge protective device

Surge protective device for installation in the field device for power supply and communication signals optional with SIL and Ex approval

HAW562 surge protective device

DIN rail surge protective device for installation in the control cabinet for power supply and communication signals optional with SIL and Ex approval

RIA14 process indicator

Loop-powered Ex d process indicator as field device for 4 to 20 mA signals, HART® transparent

RIA15 process indicator

Loop-powered Ex ia process indicator as field or control panel device for 4 to 20 mA signals or HART®protocol

Memograph M RSG45 data manager

Advanced data and energy manager with up to 20 analog/HART® inputs and 14 digital inputs

Measuring principle	Thermocouple
Characteristic / Application	metric style imperial style easy-to-use suitable for hazardous areas compression fitting as process connection without neck light chemical processes
Thermowell / protection tube	without (not intended to use with thermowell)
Insert / probe	mineral insulated (MI), flexible
Outer diameter protection tube / Insert	6,0 mm (0,24'') 3,2 mm (0,126") 8,0 mm (0,31") 9,5 mm (0,37") 6,35 mm (1/4")
Max. immersion length on request	up to 13.000,00 mm (511,81'')
Material protection tube/ thermowell	1.4401 (316) 1.4435 (316L) 1.4571 (316Ti) 1.4541 (321) 1.4550 (347) Alloy 600 (2.4816)
Process connection	Compression fitting threaded 1/4" Compression fitting threaded 1/2" Compression fitting threaded 3/4" Compression fitting threaded 1" Flange as an accessory
Tip shape	straight
Operating temperature range	Type K: max. 920 °C (max. 1.688 °F) Type J: max. 440 °C (max. 824 °F) Type N: max. 920 °C (max. 1.688 °F) Type E: max. 510 °C (max. 950 °F)
Max. process pressure (static)	at 20 °C: 90 bar (1305 psi)
Accuracy	class 2 acc. to IEC 60584 ASTM E230 and ANSI MC 96.1
Response time	t50 = 3 s t90 = 9 s
Integration head transmitter	yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)
Ex - approvals	ATEX Ex ia IECEx Ex ia IECEx ATEX Ex ia NEPSI Ex ia UKCA Ex ia EAC Ex ia UL CSA
Certification	SIL (transmitter only)

iTHERM MultiSens Slim TMS21 Multipoint thermometer

iTHERM MultiSens Slim TMS21 Multipoint thermometer

iTHERM MultiSens Slim TMS21 Multipoint thermometer

Product information

Selection of compatible products

Spare parts and accessories

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

My Endress+Hauser

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iTHERM MultiSens Slim TMS21 Multipoint thermometer

iTHERM MultiSens Slim TMS21 Multipoint thermometer

iTHERM MultiSens Slim TMS21 Multipoint thermometer

Product information

Selection of compatible products

Spare parts and accessories

Choose from our suggested options

Spare parts and accessories

Selection of compatible products

Products & Services

Industries

Support

Company

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