Title

Try searching by key words, order- or product code or serial number e.g. “CM442” or “Technical information”
Enter at least 2 characters to start the search.

iTEMP TMT85 temperature transmitter

FOUNDATION Fieldbus™ temperature transmitter as head or field device with two universal sensor inputs suitable for use in hazardous areas

Office situation support
Have questions about this product?

iTEMP TMT85 temperature transmitter

FOUNDATION Fieldbus™ temperature transmitter as head or field device with two universal sensor inputs suitable for use in hazardous areas

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

Benefits

  • Easy and standardized communication via FOUNDATION Fieldbus™ H1
  • Straightforward design of measuring points in Ex-areas through FISCO/FNICO conformity in accordance with IEC 600079-27
  • Safe operation in hazardous areas thanks to international approvals such as FM IS, NI; CSA IS, NI; ATEX Ex ia, Ex nA for intrinsically safe installation in zone 1 and zone 2
  • High accuracy through sensor-transmitter matching
  • Reliable operation with sensor monitoring and device hardware fault recognition
  • Several mounting versions and sensor connection combinations
  • Rapid no-tools wiring due to optional spring terminal technology
FLEXible answers to individual needs
Current product

iTEMP TMT85 temperature transmitter

F
L
E
X
  • High-end products
  • Highly functional and convenient

What is FLEX?

FLEX selections
Technical excellence
Simplicity
F
L
E
X
Fundamental selection Meet your basic measurement needs
F
L
E
X
Lean selection Handle your core processes easily
F
L
E
X
Extended selection Optimize your processes with innovative technologies
F
L
E
X
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.

Register now / Log in

Product information

Product picture temperature transmitter tmt85
TMT85
Specifications
Measuring / Application task Temperature transmitters
No results found Try adjusting your search terms to see more results.
Description

Unsurpassed reliability, accuracy and long-term stability in critical processes over all industries. The configurable transmitter not only transfers digital converted signals from RTD and TC sensors, it also transfers resistance and voltage signals using FOUNDATION Fieldbus™ communication. High measurement point availability by means of sensor monitoring functions and device hardware fault recognition. Optimization of the measurement accuracy by sensor-transmitter matching.

Field of application
  • 2 universal input channels and FF™ protocol for the conversion of input signals into digital output signals
  • The device stands out due to signal reliability, long-term stability, high precision and advanced diagnostics (important in critical processes)
  • For the highest level of safety, availability and risk reduction
  • Installation in flat-face terminal head as per DIN EN 50446
  • Optional installation in field housings even for use in Ex d areas - with mounting brackets for wall or pipe mounting
Benefits
  • Easy and standardized communication via FOUNDATION Fieldbus™ H1
  • Straightforward design of measuring points in Ex-areas through FISCO/FNICO conformity in accordance with IEC 600079-27
  • Safe operation in hazardous areas thanks to international approvals such as FM IS, NI; CSA IS, NI; ATEX Ex ia, Ex nA for intrinsically safe installation in zone 1 and zone 2
  • High accuracy through sensor-transmitter matching
  • Reliable operation with sensor monitoring and device hardware fault recognition
  • Several mounting versions and sensor connection combinations
  • Rapid no-tools wiring due to optional spring terminal technology
Downloads
Most downloaded
Explosion Protection
Product family: Accessories: RTD insert, Accessories: TC insert, Accessories: Inserts, Field transmitter, Head transmitters, Process displays, Process RTD direct contact, Process RTD general purpose, Process RTD heavy duty, Process RTD hygienic, Process TC direct contact, Process TC direct in contact, Process TC heavy duty Product root: OTMT71-, OTMT72-, RIA14-, RIA16-, TC15-, TC61-, TC62-, TC63-, TC65-, TC66-, TEC420-, TM111-, TM112-, TM131-, TM151-, T
M152-, TM411-, TM412-, TMT142-, TMT142B-, TMT162-, TMT182B-, TMT71-, TMT72-, TMT82-, TMT84-, TMT85-, TMT86-, TPC100-, TPR100-, TR15-
, TR61-, TR62-, TR63-, TR65-, TR66-, TS111-, TS211-, TS212-, TSC310-, TST310-
Region: United Arab Emirates
Approval agency: Intertek
Protection: Ex d, Ex i, Ex t
English version - 04/2025
Download
Operating Instruction (BA)
BA iTEMP TMT85 Temperature transmitter
English version - 04/2026
Download
Technical Information (TI)
TI iTEMP TMT85 Temperature transmitter
English version - 04/2026
Download
The CAD Drawings will be available after the configuration.
All downloads
89 Downloads
Technical Information (TI)
TI iTEMP TMT85 Temperature transmitter
English version - 04/2026
Download
Operating Instruction (BA)
Most downloaded
BA iTEMP TMT85 Temperature transmitter
English version - 04/2026
Download
Operating Instruction (BA)
TID10 Operating Instructions Pluggable display for head transmitters (TMT8x)
English version - 03/2013
Download
Short Instruction (KA)
iTEMP TMT85 Dual-input temperature transmitter
English version - 10/2020
Download
Installation Instructions (EA)
Wandmontageset kpl. Gehäuse Wandmontageset kpl. TA30A/D/H Gehäuse
English version - 05/2026
Download
Installation Instructions (EA)
iTEMP 85 FOUNDATION Fieldbus Protokoll iTEMP 85 FOUNDATION Fieldbus Protokoll
Bild für SFT
English version - 05/2026
Download
Installation Instructions (EA)
Feldgehäuse TA30A Feldgehäuse TA30A
English version - 05/2026
Download
Installation Instructions (EA)
Rohrmontageset kpl. Gehäuse Rohrmontageset kpl. TA30A/D/H Gehäuse
English version - 05/2026
Download
Installation Instructions (EA)
Feldgehäuse TA30H Feldgehäuse TA30H
English version - 05/2026
Download
Installation Instructions (EA)
Adapter DIN rail mounting Transmitter Adapter DIN rail mounting Transmitter
English version - 05/2026
Download
Installation Instructions (EA)
Information Typenschild DIENST-T Information zur Typenschild Bestellung mit DIENST-T
English version - 11/2025
Download
Installation Instructions (EA)
Feldgehäuse TA30D Feldgehäuse TA30D
English version - 05/2026
Download
Ex Safety Instruction (XA)
XA iTEMP TMT82, TMT84, TMT85 PROFIBUS®, FOUNDATION Fieldbus™
ATEX, IECEx:
Ex ia [ia Ga] IIC T6...T4 Gb
Ex ia IIIC T85 °C...T115 °C Db
Ex ia IIC T6...T4 Ga
English version - 02/2026
Download
Ex Safety Instruction (XA)
iTEMP TMT84, TMT85 ATEX: II1G Ex ia IIC T6…T4 Ga
IECEx: Ex ia IIC T6…T4 Ga
English version - 11/2021
Download
Ex Safety Instruction (XA)
XA iTEMP TMT71, TMT72, TMT82, TMT84, TMT85, TMT86, TMT182B ATEX:
Ex ia IIIC Txxx °C Dc, Ex tc IIIC Txxx °C Dc
Ex tc IIIC Txxx °C Dc, Ex tc IIIC Dc
Ex nA IIC T6 Gc, Ex ec IIC T6 Gc
Ex nA IIC Gc, Ex ec IIC Gc
English version - 07/2023
Download
Ex Safety Instruction (XA)
XA iTEMP TMT84, TMT85 IND-Ex:
Ex ia IIC T6…T4 Ga
Ex ia IIC T6…T4 Gb
English version - 11/2025
Download
Ex Safety Instruction (XA)
iTEMP TMT84, TMT85 PROFIBUS PA®/FOUNDATION Fieldbus™
CSA:
Control Drawing XP, NI, DIP
340200114
English version - 05/2026
Download
Ex Safety Instruction (XA)
XA iTEMP TMT85 Ex ec IIC T4...T6 Gc
English version - 01/2024
Download
Ex Safety Instruction (XA)
XA iTEMP TMT71, TMT72, TMT82, TMT84, TMT85, TMT86 Ex db IIC T4...T6 Gb
Ex tb IIIC T85…T110°C Db
English version - 09/2023
Download
Ex Safety Instruction (XA)
XA iTEMP TMT71, TMT72, TMT82, TMT84, TMT85, TMT86 Temperature transmitters
0Ex ia IIC T6...T4 Ga X
1 Ex ia IIC T6...T4 Gb X
1Ex ia [ia Ga] IIC T6...T4 Gb X
1Ex db IIC T6....T4 Gb X
Ex tb IIIC T105°C Db X
English version - 07/2024
Download
Ex Safety Instruction (XA)
iTEMP TMT84, TMT85, OTMT84, OTMT85 Safety instructions
ATEX: II1G Ex ia IIC T6…T4 Ga
IECEx: Ex ia IIC T6…T4 Ga
English version - 01/2021
Download
Ex Safety Instruction (XA)
ATEX Safety instructions iTEMP® TMT84 and TMT85 Two channel temperature head transmitters with FOUNDATION
Fieldbus-/PROFIBUS® PA-protocol
English version - 01/2008
Download
Ex Safety Instruction (XA)
ATEX Safety instructions iTEMP® TMT84 and TMT85 Two channel temperature head transmitters with FOUNDATION
Fieldbus-/PROFIBUS® PA-protocol
English version - 01/2008
Download
Ex Safety Instruction (XA)
iTEMP TMT71, TMT72, TMT82, TMT84, TMT85, TMT86 ATEX, IECEx:
Ex db IIC T6 Gb
Ex tb IIIC Txxx °C Db
English version - 02/2023
Download

Back
Change version
Change version

Selection of compatible products

/

Spare parts and accessories

further parts
further parts

Terminal Head TA30A

further parts
further parts
Order code TA30A-
further parts
further parts

Terminal Head TA30D

further parts
further parts
Order code TA30D-
further parts
further parts

Terminal Head TA30H

further parts
further parts
Order code TA30H-
further parts
further parts

Set O-ring 74x3 75o VMQ Silicon (5 pcs.)

further parts
further parts
Order code 71600564
Spare parts and accessories
Product picture temperature transmitter tmt85
TMT85

Choose from our suggested options

Looking for more options?

Use the extended configuration to configure from all available options.

<%label%>
<%feature%>
-
-
<%feature%>

<%message%>

Configure from all available options Use extended configuration
Order code
Copy
-
-
Add to cart
More actions
Available once configuration is complete
Service not available
Only available on our desktop experience
Configuration details
Product picture temperature transmitter tmt85
TMT85
Section ID Selected option

<%feature%>

<%coding%>

<%label%>

CAD Drawings
Configuration support

Unsure about configuration details?

Our experts can help, whatever stage your configuration is at.

Add your product to the cart and request a quote. Whether it is un-configured, partially configured, or fully configured, our experts will contact you to complete the configuration and provide your quote.

Have questions before you start?

Contact us

Spare parts and accessories

further parts
further parts

Terminal Head TA30A

further parts
further parts
Order code TA30A-
further parts
further parts

Terminal Head TA30D

further parts
further parts
Order code TA30D-
further parts
further parts

Terminal Head TA30H

further parts
further parts
Order code TA30H-
further parts
further parts

Set O-ring 74x3 75o VMQ Silicon (5 pcs.)

further parts
further parts
Order code 71600564
Spare parts and accessories

Selection of compatible products

/