Product picture of RTD or TC thermometer TM101

iTHERM ModuLine TM101
Industrial modular thermometer

Fundamental metric RTD/TC direct contact thermometer for a wide range of industrial applications

TM101

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5-year warranty

Engineered for Confidence

Our Fundamental Selection instruments feature an extended 5-year warranty – a clear testament of our trust in their long-term reliability and performance.

Should a warranty case occur, you can count on a fast replacement process and minimal administrative effort – giving you peace of mind when it matters most and helping you keep your operations running smoothly.

Warranty terms apply

The extended warranty is 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.

Specs at a glance

Accuracy

Class A acc. to IEC 60751
Class B acc. to IEC 60751
Class standard acc. to ASTM E230
Class 2 acc. to IEC 60584-2
Response time

t90 around 17 s
depending on configuration
Max. process pressure (static)

depending on the configuration
Operating temperature range

Basic PT100 TF:
-50 °C …200 °C
(-58 °F …392 °F)
Typ K:
max. 1.100 °C
(max. 2.012 °F)
Max. immersion length on request

up to 1.000,0 mm (39'')

See all specifications

Field of application

Basic thermometers offer reliable temperature measurement performance with basic sensor technology, a standard extension neck and a fixed, non-replaceable insert for use in non-hazardous areas. The devices are available with optional Bluetooth®-enabled head transmitters with 4 to 20 mA output or HART® communication, providing enhanced measurement accuracy and reliability compared to directly wired sensors.

Wide range of applications
Measuring range: -50 to +650 °C (-58 to +1202 °F)
Pressure range: up to 50 bar (725 psi)
Protection class: up to IP68
For use in non-hazardous areas

Benefits

Excellent value for money and fast global delivery
User-friendly product selection, smart design for easy maintenance
Wide range of process connections
Bluetooth® connectivity (optional)

Fundamental selection

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Simple products
Easy to select, install and operate

Technical excellence

Simplicity

What is FLEX?

Standard products
Reliable, robust and low-maintenance

Technical excellence

Simplicity

What is FLEX?

High-end products
Highly functional and convenient

Technical excellence

Simplicity

What is FLEX?

Specialized products
Designed for demanding applications

Technical excellence

Simplicity

Variable

What is FLEX?

FLEX selections	Technical excellence	Simplicity
F L E X Fundamental selection Meet your basic measurement needs	Technical excellence	Simplicity
F L E X Lean selection Handle your core processes easily	Technical excellence	Simplicity
F L E X Extended selection Optimize your processes with innovative technologies	Technical excellence	Simplicity
F L E X Xpert selection Master your most challenging applications	Technical excellence	Simplicity Variable

Learn more about the FLEX selections

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Predecessor

Success stories

Increased energy efficiency in data center cooling systems

Ensure data center uptime and reduce energy costs by using precise temperature devices with robust 3- or 4-wire RTDs and smart temperature transmitters in liquid cooling applications.
Read the full story
Fast-responding temperature measurement in polymerization

To meet the challenges of temperature monitoring in such critical processes, a thermowell design has been developed that responds to process changes up to five times faster than standard designs.
Read the full story
Enhanced safety in polymer production

The Ziegler-Natta process uses hazardous chemicals like titanium tetrachloride. Precise temperature measurement is crucial to prevent runaway reactions and ensure safety and efficiency.
Read the full story
iTHERM QuickSens for the optimization of mixing processes

iTHERM QuickSens for the optimization of mixing processes - Slurry mixing for the production of battery cell electrodes.
Read the full story
Temperature monitoring in hydroelectric power plants

Temperature monitoring of the air-cooling system in hydroelectric power plants - iTHERM ModuLine TST434B as the optimal solution for ambient temperature measurement
Read the full story

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CAD drawings CAD drawings

Available once configuration is complete

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CAD drawings

CAD drawings are only available on our desktop experience

Optional add-ons

Please use the individual configurator to continue

Individual configuration

Continue your selection from all possible options

Often bought together

Accessories

Plug for Thermometer + Transmitter

Service

See more accessories

	EN
12/05/2025
31/03/2024
15/06/2022
20/01/2021
15/03/2019

Language:	English
Version:	12/05/2025
File size:	2.2 MB
File name:	TI01446TEN_0525-00.pdf

	EN
12/05/2025
31/03/2024
15/06/2022
20/01/2021
15/03/2019

Language:	English
Version:	12/05/2025
File size:	2.2 MB
File name:	TI01446TEN_0525-00.pdf

Language:	English
Version:	30/11/2024
File size:	801.5 KB
File name:	BA01915TEN_0224-00.pdf

Language:	German
Version:	25/02/2025
File size:	2 MB
File name:	IN01360T09DE.pdf

Language:	Italian
Version:	07/04/2025
File size:	7.7 MB
File name:	IN01360T16IT.pdf

	EN
30/11/2024
31/08/2018

	EN
27/03/2024

	EN
01/04/2025

	EN
31/07/2020

iTHERM ModuLine TM101Industrial modular thermometer

Fundamental metric RTD/TC direct contact thermometer for a wide range of industrial applications

Specs at a glance

Accuracy

Response time

Max. process pressure (static)

Operating temperature range

Max. immersion length on request

Field of application

Benefits

Fundamental selection

Predecessor

Success stories

Increased energy efficiency in data center cooling systems

Fast-responding temperature measurement in polymerization

Enhanced safety in polymer production

iTHERM QuickSens for the optimization of mixing processes

Temperature monitoring in hydroelectric power plants

Measuring principle

Characteristic / Application

Thermowell / protection tube

Insert / probe

Outer diameter protection tube / Insert

Max. immersion length on request

Material protection tube/ thermowell

Process connection

Tip shape

Operating temperature range

Max. process pressure (static)

Accuracy

Response time

Integration head transmitter

Back

TI iTHERM ModuLine TM101

TI iTHERM ModuLine TM101

BA iTHERM ModuLine thermometer

KA Safe unpacking of iTHERM Moduline thermometers

KA iTHERM ModuLine thermometer

TRxx, TCxx, TS211, iTHERM TS111, TM211, TPx100, TSx310, TM1x1, TM411, TM412

Device viewer

SD IEC 61406-1

Reduce complexity, achieve simplicity.

Komplexität reduzieren, Einfachheit erreichen.

Ridurre la complessità, raggiungere la semplicità.

Back

Spare parts kit o-ring (silicon) 71x3

Spare parts kit copper ring G1/2"

Spare parts kit copper ring G3/4"

Spare parts kit copper ring M14x1.5

Spare parts kit copper ring M18

Spare parts kit copper ring M20x1.5

Spare parts kit ring D21/di 10xgreen

Spare parts kit gasket ring D21/d6 Viton

Spare parts kit gasket ring D21/d6 Neop.

Spare parts kit gasket ring D21/d3 Viton

Spare parts kit gasket ring D21/d3 Neop.

Spare parts kit sealing TA30A/TA30D

Terminal Head TA30A

Terminal Head TA20AB

Terminal Head TA30EB

iTHERM Insert TS111

Fixing kit cpl. TMT8x/7x (european)

iTEMP TMT31, Transmitter 4-20mA

iTEMP TMT72, Transmitter HART

iTEMP TMT71, Transmitter 4-20mA

iTEMP TMT36, Transmitter IO-Link

Spare parts kit compr.fitt.spring NPT1/2

Spare parts kit compr.fitt. spring G1/2

Spare Parts Kit Seal Insert TK40

Compression Fitting TK40

M12 cable for FieldPort SFP20

Configuration Kit TXU10

Commubox FXA195

FieldPort SFP20

Plug for Thermometer + Transmitter

Service

RN22 active barrier

Input

Output

Power Supply

iTHERM ModuLine TM101
Industrial modular thermometer