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iTEMP TMT142B temperature transmitter

HART® temperature field transmitter with one universal sensor input suitable for use in hazardous areas and with Bluetooth® communication

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iTEMP TMT142B temperature transmitter

HART® temperature field transmitter with one universal sensor input suitable for use in hazardous areas and with Bluetooth® communication

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Benefits

  • Certified for use in hazardous areas:CSA (IS, NI, XP and DIP), ATEX, INMETRO, NEPSI (Ex ia, Ex d, dust ignition-proof)
  • Reliable, long-term stable and accurate temperature measurement even under harsh environmental conditions thanks to a pressure-encapsulated single-chamber housing and integrated overvoltage protection
  • Bluetooth® interface: Save time and effort on commissioning, configuration and maintenance using the Endress+Hauser SmartBlue app
  • Predictive maintenance with advanced diagnostic functions and condensed status notification according to NAMUR NE 107
  • Newly developed backlit display with large digits for clear process information under all ambient conditions
FLEXible answers to individual needs
Current product

iTEMP TMT142B temperature transmitter

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  • Standard products
  • Reliable, robust and low-maintenance

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.

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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.

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Product information

Product picture Temperature field transmitter iTEMP TMT142B with HART® and Bluetooth® communication
TMT142B
Specifications
Measuring / Application task Temperature transmitters
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Description

The single-channel iTEMP TMT142B transmitter with backlit display delivers highly reliable, accurate and long-term stable measurements in critical processes and hazardous areas. It offers secure remote operation via its integrated Bluetooth® interface (Endress+Hauser SmartBlue app), packaged in a robust single-chamber field housing. It converts inputs from resistance sensors (RTD), thermocouple (TC), resistances (Ω) and voltage transmitters (mV) to a 4 to 20 mA signal and HART® 7 communication.

Field of application
  • Temperature transmitter with secure Bluetooth® and HART® 7 communication
  • Backlit display for clear process and diagnostic information in the field
  • Universal input for resistance sensors (RTD), thermocouples, resistances (Ω) and voltage transmitters (mV)
  • Reliability, long-term stability and high precision for safe operations in critical processes
  • Robust aluminum or stainless steel housings for use in hazardous areas and harsh process conditions
Benefits
  • Certified for use in hazardous areas:CSA (IS, NI, XP and DIP), ATEX, INMETRO, NEPSI (Ex ia, Ex d, dust ignition-proof)
  • Reliable, long-term stable and accurate temperature measurement even under harsh environmental conditions thanks to a pressure-encapsulated single-chamber housing and integrated overvoltage protection
  • Bluetooth® interface: Save time and effort on commissioning, configuration and maintenance using the Endress+Hauser SmartBlue app
  • Predictive maintenance with advanced diagnostic functions and condensed status notification according to NAMUR NE 107
  • Newly developed backlit display with large digits for clear process information under all ambient conditions
Predecessors
Downloads
Most downloaded
Technical Information (TI)
iTEMP TMT142B Temperature field transmitter
with HART® protocol
English version - 01/2021
Download
Operating Instruction (BA)
BA iTEMP TMT142B Temperature transmitter
with HART<sup>®</sup> protocol
English version - 01/2023
Download
Short Instruction (KA)
KA iTEMP TMT142B Temperature transmitter
English version - 01/2023
Download
The CAD Drawings will be available after the configuration.
All downloads
78 Downloads
Technical Information (TI)
Most downloaded
iTEMP TMT142B Temperature field transmitter
with HART® protocol
English version - 01/2021
Download
Operating Instruction (BA)
Most downloaded
BA iTEMP TMT142B Temperature transmitter
with HART<sup>®</sup> protocol
English version - 01/2023
Download
Short Instruction (KA)
KA iTEMP TMT142B Temperature transmitter
English version - 01/2023
Download
Installation Instructions (EA)
EA Austausch Deckel RIA14, RIA141, RID14 Einbauanleitung für den Austausch des Gehäusedeckel des RIA14, RIA141,
RID14
RIA141X-HK, -HL
TMT142X-HC, -HD
English version - 01/2025
Download
Installation Instructions (EA)
EA Austausch Display TMT142, TMT142B EA Austausch Display TMT142, TMT142B
TMT142X-DA
TMT142X-DB
TMT142X-DC
English version - 01/2025
Download
Installation Instructions (EA)
EA Austausch Gehäuse TMT142, TMT142B EA Austausch Gehäuse TMT142, TMT142B
TMT142G-xxx
English version - 01/2025
Download
Installation Instructions (EA)
Information Typenschild DIENST-T Information zur Typenschild Bestellung mit DIENST-T
English version - 11/2025
Download
Installation Instructions (EA)
EA Austausch Deckel TMT142, TMT142B Einbauanleitung für den Austausch Gehäusedeckel TMT142, TMT142B
TMT142X-Hx
English version - 01/2025
Download
Installation Instructions (EA)
EA Austausch Elektronik TMT142B EA Austausch Elektronik TMT142B
TMT142E-xBx
TMT142E-xCx
English version - 02/2025
Download
Ex Safety Instruction (XA)
XA iTEMP TMT142B HART®
JPN:
Ex db IIC T6 Gb
Ex tb IIIC Txxx°C Db
English version - 10/2024
Download
Ex Safety Instruction (XA)
iTEMP TMT142, TMT142B HART®
Ex ia IIC T4~T6 Ga/Gb
English version - 08/2022
Download
Ex Safety Instruction (XA)
XA iTEMP TMT142B HART®
IND-EX: Ex ia IIC T6 Ga
English version - 11/2025
Download
Ex Safety Instruction (XA)
iTEMP TMT142B HART®
ATEX, IECEx: Ex ia IIC T6 Ga
English version - 09/2022
Download
Ex Safety Instruction (XA)
XA iTEMP TMT142B HART®
Ex db IIC T6...T4 Gb
Ex tb IIIC T110 °C Db
English version - 11/2025
Download
Ex Safety Instruction (XA)
iTEMP TMT142B HART®
ATEX, IECEx:
Ex ia IIC T6 Ga
Ex ia IIIC Txxx °C Db
English version - 09/2022
Download
Ex Safety Instruction (XA)
iTEMP TMT142B HART®
ATEX, IECEx:
Ex db IIC T6 Gb
Ex tb IIIC Txxx°C Db
English version - 09/2022
Download
Ex Safety Instruction (XA)
iTEMP TMT142B HART®
ATEX:
Ex ic IIC T6 Gc
Ex tc IIIC Dc
Ex nA IIC T6 Gc
English version - 09/2022
Download
Ex Safety Instruction (XA)
Control drawing CSA XP, DIP Temperature field transmitter
Installation notes for hazardous Locations
Explosion proof, dust ignition proof, increased saf
ety
English version - 01/2026
Download
Ex Safety Instruction (XA)
XA iTEMP TMT142B HART®
Ex ia IIC T6...T4 Ga
Ex ia IIIC T85 °C...T110 °C Db
English version - 11/2025
Download
Ex Safety Instruction (XA)
XA iTEMP TMT142B Temperature transmitter
0 Ex ia IIC T6...T4 Ga X
Ex ia IIIC T85°C…T110°C Db X
1Ex db IIC T6...T4 Gb X
Ex tb IIC T110°C Db X
English version - 07/2024
Download
Ex Safety Instruction (XA)
Control Drawing CSA, Ex ia, Ex ec Temperature field transmitter
Installation notes for hazardous Locations
Intrinsical safety, increased safety
English version - 01/2026
Download
Special Documentation (SD)
Device viewer Technical documentation in other languages
English version - 07/2021
Download
Special Documentation (SD)
iTEMP TMT142B Attachment for Bluetooth radio approvals
English version - 01/2025
Download
PU (Publication)
iTEMP TMT142B HART® 7 New generation smart temperature transmitter with Bluetooth® The update to the popular TMT142 brings new features
and improvements, further increasing measurement
accuracy and reliability for optimal performance in
critical control applications.
English version - 05/2023
Download

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Spare parts and accessories

further parts
further parts

Spare Parts TMT142

further parts
further parts
Order code TMT142X-
Drawing number 2
further parts
further parts

Electronic TMT142E

further parts
further parts
Order code TMT142E-
Drawing number 4
further parts
further parts

Spare Parts TMT142

further parts
further parts
Order code TMT142X-
Drawing number 5
further parts
further parts

O-Ring 88x3 EPDM 70 PTFE-coated

further parts
further parts
Order code 71158816
Drawing number 6
Spare parts and accessories
Product picture Temperature field transmitter iTEMP TMT142B with HART® and Bluetooth® communication
TMT142B

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Product picture Temperature field transmitter iTEMP TMT142B with HART® and Bluetooth® communication
TMT142B
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CAD Drawings
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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.

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Spare parts and accessories

further parts
further parts

Spare Parts TMT142

further parts
further parts
Order code TMT142X-
Drawing number 2
further parts
further parts

Electronic TMT142E

further parts
further parts
Order code TMT142E-
Drawing number 4
further parts
further parts

Spare Parts TMT142

further parts
further parts
Order code TMT142X-
Drawing number 5
further parts
further parts

O-Ring 88x3 EPDM 70 PTFE-coated

further parts
further parts
Order code 71158816
Drawing number 6
Spare parts and accessories

Selection of compatible products

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