Name: iTHERM ModuLine TM411
Brand: Endress+Hauser
Availability: InStock

iTHERM ModuLine TM411 Hygienic modular thermometer

Metric RTD thermometer with or without thermowell for hygienic applications

Sanitary thermometer with clamp process connection

The high accuracy iTHERM iTM411 temperature sensor with digital display

iTHERM TM411, a hygienic thermometer with QuickSens and StrongSens technology

An iTHERM TM411 sanitary thermometer being installed in a bioreactor

Sanitary thermometer iTHERM TM411 with digital display

Sanitary thermometer iTHERM TM411 with clamp and iTHERM QuickNeck

Modular iTHERM TM411 temperature assembly in hygienic design with international approvals for use in hazardous areas

The iTHERM TM411 sanitary modular thermometer with digital display delivers highly accurate, reliable and fast temperature measurements in sterile applications

Sanitary thermometer iTHERM TM411 in a bioreactor

iTHERM TM411 sanitary thermometers are available with a digital display for on-site process temperature monitoring

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iTHERM ModuLine TM411 Hygienic modular thermometer

Metric RTD thermometer with or without thermowell for hygienic applications

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Benefits

Optimum process control: Fast sensor response times with iTHERM QuickSens technology (t90: 1.5 s)
Up to 75% faster and safer recalibrations with iTHERM QuickNeck – tool-free quick-release for instant insert removal
High sensor availability under rough conditions: Vibration resistant RTD technology iTHERM StrongSens (> 60g)
Easy product selection, configuration and maintenance
Increase productivity and product safety in sanitary applications with highly accurate and reliable measurements
Thermowells, hygienic process connections and housings expertly manufactured from high-grade materials treated for low surface roughness

Integrated technologies

iTHERM QuickSens - insert for fastest response times

iTHERM StrongSens - insert with highest vibration resistance

iTHERM QuickNeck - divisible extension neck

Services and resources

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

FLEXible answers to individual needs

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iTHERM ModuLine TM411 Hygienic modular thermometer

High-end products
Highly functional and convenient

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.

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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.

Technology

iTHERM QuickSens - insert for fastest response times

The temperature sensor with unbeatably short response times T90 = 1.5 s for high-precision measurements and accurate process control.

More information

Technology

iTHERM StrongSens - insert with highest vibration resistance

The vibration resistant temperature sensor of up to 60g for highly precise measurements and accurate process control.

More information

Technology

iTHERM QuickNeck - divisible extension neck

The temperature measuring insert can be removed with a simple twist, saving more than 50% time and effort during maintenance or recalibration.

More information

Selection of compatible products

Product picture process transmitter RMA42

RMA42 process transmitter with control unit

4-wire process transmitter with control unit as DIN rail device with up to two universal sensor inputs and optional SIL approval

RN42 active barrier

Active barrier, 1 channel for 4 to 20 mA, HART® transparent with 24 to 230 V AC/DC as well as active/passive input and output, optionally with SIL and Ex

Product picture loop-powered indicator RIA15

RIA15 process indicator

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

EngyCal RH33 BTU meter

Calibratable BTU meter for one measuring point with one pulse/analog input for flow and two RTD/analog inputs for temperature/pressure

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

Spare parts

further parts

Terminal Head TA30A

further parts

Order code TA30A-

Drawing number A

further parts

Terminal Head TA30D

further parts

Order code TA30D-

Drawing number A

further parts

Spare parts kit sealing TA30A/TA30D

further parts

Order code 71182602

further parts

Terminal Head TA30S

further parts

Order code TA30S-

Drawing number A

Spare parts

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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

Sanitary digital thermometer iTHERM TM411

Sanitary digital thermometer - TM411

Section	ID	Selected option
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CAD Drawings

Configuration support

Spare parts

further parts

Terminal Head TA30A

further parts

Order code TA30A-

Drawing number A

further parts

Terminal Head TA30D

further parts

Order code TA30D-

Drawing number A

further parts

Spare parts kit sealing TA30A/TA30D

further parts

Order code 71182602

further parts

Terminal Head TA30S

further parts

Order code TA30S-

Drawing number A

Spare parts

Selection of compatible products

RMA42 process transmitter with control unit

4-wire process transmitter with control unit as DIN rail device with up to two universal sensor inputs and optional SIL approval

RN42 active barrier

Active barrier, 1 channel for 4 to 20 mA, HART® transparent with 24 to 230 V AC/DC as well as active/passive input and output, optionally with SIL and Ex

RIA15 process indicator

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

EngyCal RH33 BTU meter

Calibratable BTU meter for one measuring point with one pulse/analog input for flow and two RTD/analog inputs for temperature/pressure

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

Measuring principle	Resistance Temperature Detector
Characteristic / Application	metric style modular temperature assembly hygienic/aseptic design (3-A®, EHEDG, ASME BPE, FDA) hygienic process connections with neck suitable for hazardous areas incl. protection tube iTHERM QuickSens for fastest response time iTHERM StrongSens for most robust design iTHERM QuickNeck for easy and cost saving recalibration
Thermowell / protection tube	without incl. thermowell incl. Tee-/elbow thermowell
Insert / probe	mineral insulated (MI), flexible pipe version, isolated wires, not flexible
Outer diameter protection tube / Insert	6,0 mm (0,24") 9,0 mm (0,35") 12,7 mm (0,5")
Material protection tube/ thermowell	1.4435 delta-ferrit < 1% 316L
Process connection	compression fitting weld in adapter clamp connections acc. to ISO2852 screwed pipe joint acc. to DIN 11851 aseptic screwed pipe joint acc. to DIN 11864-1 metallic sealing system thread acc. to ISO 228 for liquiphant adaptor APV Inline Varivent Ingold SMS 1147 Neumo Biocontrol T- and elbow thermowell
Tip shape	straight reduced tapered
Surface roughness Ra	0,76 μm (29,92 μin) 0,38 μm (14,96 μin) 0,38 μm (14,96 μin) electropolished
Operating temperature range	PT100: -200 °C … 600 °C (-328 °F … 1.112 °F) iTHERM StrongSens: -50 °C … 500 °C (-58 °F … 932 °F) iTHERM QuickSens: -50 °C … 200 °C (-58 °F … 392 °F)
Max. process pressure (static)	at 20 °C: 40 bar (580 psi)
Accuracy	class A acc. to IEC 60751 class AA acc. to IEC 60751
Response time	depending on configuration iTHERM QuickSens: t90 = 1,5 s iTHERM StrongSens: t90 = 9,5 s
Integration head transmitter	yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)
Ex - approvals	ATEX Ex ia, Ex nA ATEX IECEx Ex ia, Ex ta/tb CSA C/US IS, NI FM IS, NI NEPSI Ex ia JPN Ex ia EAC Ex ia UKCA Ex ia, Ex nA, Ex tc
Certification	SIL (transmitter only)

iTHERM ModuLine TM411 Hygienic modular thermometer

iTHERM ModuLine TM411 Hygienic modular thermometer

iTHERM ModuLine TM411 Hygienic modular thermometer

Product information

Selection of compatible products

Spare parts

Choose from our suggested options

Spare parts

Selection of compatible products

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iTHERM ModuLine TM411 Hygienic modular thermometer

iTHERM ModuLine TM411 Hygienic modular thermometer

iTHERM ModuLine TM411 Hygienic modular thermometer

Product information

Selection of compatible products

Spare parts

Choose from our suggested options

Spare parts

Selection of compatible products

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