Name: RTD Thermometer TR15
Brand: Endress+Hauser
Availability: InStock

TR15 Modular RTD thermometer

Phase out

Product is getting phased out

Phase out Product status

TR15 Modular RTD thermometer

New alternatives available

Successor

iTHERM ModuLine TM151

Phase out policy
Compare products

Phase out policy

Endress+Hauser are committed to the long term support of all our products

We undertake support and service for our products for a period of ten years after notice of product withdrawal (until spareparts are not available any more)

However we reserve us the right to offer alternative solutions including replacement products if deemed more appropriated.

Product status

Product root TR15

Name TR15 Modular RTD thermometer

Product status In phase out

Phase out date 8/2025

Order stop 12/2027

Spare sensor until 11/2033

Calibration until 8/2035

Spares available 11/2033

Repair until 11/2033

New alternative TM151

Maintenance advice

Robust temperature measurement technology especially for gas and steam applications

Have questions about this product?

TR15 Modular RTD thermometer

Phase out

Robust temperature measurement technology especially for gas and steam applications

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Successors

Modular TC or RTD industrial thermometer

iTHERM ModuLine TM151

Compare

iTHERM ModuLine TM151

Metric RTD/TC thermometer with barstock thermowell for a wide range of industrial applications

Benefits

High degree of flexibility thanks to modular design with standard terminal heads as per DIN EN 50446 and customer-specific immersion lengths
High degree of insert compatibility and design as per DIN 43772
Extension neck to protect the head transmitter from overheating
Fast response time with reduced/tapered tip form
Types of protection for use in hazardous locations: Intrinsic safety (Ex i.a.), non-sparking (Ex nA)
Head transmitter with easy selection: Analog output 4 to 20 mA, HART®, PROFIBUS® PA or FOUNDATION Fieldbus™

Services and resources

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

FLEXible answers to individual needs

Current product

TR15 Modular RTD 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.

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.

Have questions about this product?

Selection of compatible products

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

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

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

Spare parts and accessories

further parts

Spare parts kit ring D21/di 10xgreen

further parts

Order code 71367427

further parts

Gasket 67.5x2.9x1.5 VMQ/PTFE, 5 pieces

further parts

Order code 52028179

further parts

Display LC for TA20J

further parts

Order code 60017971

further parts

Housing filter plastic F15, 3 pieces

further parts

Order code 71043745

Spare parts & accessories

Choose from our suggested options

Looking for more options?

Use the extended configuration to configure from all available options.

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Looking for more options? Use extended configuration

Size and configure based on application parameters Start sizing

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Configuration details

TR15

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CAD Drawings

Configuration support

Spare parts and accessories

further parts

Spare parts kit ring D21/di 10xgreen

further parts

Order code 71367427

further parts

Gasket 67.5x2.9x1.5 VMQ/PTFE, 5 pieces

further parts

Order code 52028179

further parts

Display LC for TA20J

further parts

Order code 60017971

further parts

Housing filter plastic F15, 3 pieces

further parts

Order code 71043745

Spare parts & accessories

Selection of compatible products

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

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

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

Accuracy	class A acc. to IEC 60751 class AA acc. to IEC 60751
Response time	depending on configuration
Max. process pressure (static)	at 20 °C: 400 bar (5.802 psi)
Operating temperature range	PT100 TF iTHERM StrongSens: -50 °C ...500 °C (-58 °F ...932 °F) PT100 WW: -200 °C ...600 °C (-328 °F ...1.112 °F) PT100 TF: -50 °C ...400 °C (-58 °F ...752 °F)
Max. immersion length on request	up to 30.000,00 mm (1.181,10'')
Measuring principle	Resistance Temperature Detector
Characteristic / Application	metric style modular temperature assembly universal range of application suitable for hazardous areas suitable for high process pressures flanged process connection or weld in with neck incl. thermowell (metal) usable with insert iTHERM StrongSens
Thermowell / protection tube	bar stock (drilled) without thermowell
Insert / probe	mineral insulated (MI), flexible
Outer diameter protection tube / Insert	18,0 mm (0,71'') 24,0 mm (0,94'') 26,0 mm (1,02")
Material protection tube/ thermowell	1.0460 (A105) 1.4571 (316Ti) 1.7335 (13CrMo4-5; F-11) Alloy C276 (2.4819) Duplex SAF 2205 (1.4462) Titan Gr2 (3.7035 ) 16Mo3 (1.5415)
Optional coating	Not defined
Process connection	weld in version flange: DN25 PN40 B1 (EN1092) DN40 PN40 B1(EN1092) DN50 PN40 B1 (EN1092) ASME 1" 150 RF (B16.5) ASME 1" 300 RF (B16.5)
Tip shape	tapered
Surface roughness Ra	0,8 μm (31,5 μin.) 1,6 μm (63,0 μin.)
Integration head transmitter	yes (4 … 20 mA; HART; PROFIBUS PA; FOUNDATION FIELDBUS)
Ex - approvals	ATEX Ex ia, Ex nA IECEx Ex ia NEPSI Ex ia EAC Ex ia UKCA Ex ia, Ex nA, Ex tc
Certification	Gost Metrology SIL (transmitter only)

Product is getting phased out

New alternatives available

Phase out policy