Product picture temperature switch thermophant TTR31

Thermophant T TTR31
Temperature switch

Metric RTD compact thermometer with switch output for industrial applications

TTR31

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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

-50...75 °C: <0,5 K
(-58...167 °F: <0,9 °F)
75...150 °C: <0,65 K
(167...302 °F: <1,2 °F)
Operating temperature range

-50...150 °C (-58...302 °F)

See all specifications

Field of application

Cost efficiency, optimal use of space, reliable operation, easy installation and commissioning indicate modern process measuring technology. The temperature switch completely fulfills these requirements. Designed for the safe measurement and monitoring of process temperatures it can be selected between one or two switch outputs as well as one switch output and one standardized analog output. Vibration-proof integrated thin-film sensors guarantee highest operational safety.

Temperature switch for the monitoring, display and control of process temperatures in a range from -50 to 150 °C (-58 to 302 °F). Thermophant T TTR 31- with thread connections or coupling.

Electronic versions:

One PNP switch output
Two PNP switch outputs
2 x PNP switch outputs or one PNP switch output and 4 to 20 mA output (active)

Benefits

Integrated switching electronics for decentral and economic process monitoring and control
High reproducibility and long-term stability
Function control and information on-site thanks to LEDs and digital display
Long-term stable temperature sensor made of platinum (Pt100 class A as per IEC 60751)
High accuracy across the entire ambient temperature range and short response time
Operation and visualisation also with PC and FieldCare or ReadWin 2000 configuration software
DESINA-compliant

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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Success stories

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
Temperature measurement in hydrogen production

Temperature measurement in hydrogen production with the iTHERM SurfaceLine TM611 - Non-invasive temperature measurement redefined
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Innovative non-invasive temperature measurement for hydrogen

Since the temperature of compressed hydrogen increases with expansion during filling, temperature measurement is essential at hydrogen filling stations for safety reasons.
Read the full story
Optimized temperature control in steam power plants

Our non-invasive thermometer can be easily retrofitted to the existing pipe and integrated into the control system to enable efficient stand-by operation of a turboset.
Read the full story

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Accessories

Collar welded socket d6 PEEK + screw

Collar welded socket d6 PEEK w/o screw

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	EN
14/10/2020
04/10/2018
27/10/2015
22/05/2014
15/06/2009

Language:	English
Version:	14/10/2020
File size:	977.5 KB
File name:	TI00105REN_1620.pdf

	EN
15/10/2020
26/09/2018
10/08/2016
28/05/2014
01/06/2009

Language:	English
Version:	15/10/2020
File size:	1 MB
File name:	BA00229REN_1620.pdf

	EN
06/12/2024
25/03/2024
15/09/2023
28/10/2021
30/07/2021

Language:	German
Version:	04/02/2025
File size:	18.9 MB
File name:	FA00006Tde.pdf

Language:	Italian
Version:	09/07/2024
File size:	20.3 MB
File name:	FA00006Tit_2223.pdf

	EN
02/02/2005

	EN
03/02/2005

	EN
08/10/2004
17/05/2004

Thermophant T TTR31Temperature switch

Metric RTD compact thermometer with switch output for industrial applications

Specs at a glance

Accuracy

Operating temperature range

Field of application

Benefits

Fundamental selection

Success stories

iTHERM QuickSens for the optimization of mixing processes

Temperature monitoring in hydroelectric power plants

Temperature measurement in hydrogen production

Innovative non-invasive temperature measurement for hydrogen

Optimized temperature control in steam power plants

Measuring principle

Characteristic / Application

Auxiliary power supply

Accuracy

Long term drift

Operating temperature range

Process connection

Hint

Back

Thermophant T TTR31, TTR35

Thermophant T TTR31, TTR35

TI Weld-in adapter, process adapter and flanges

Thermophant T TTR31, TTR35

Thermophant T TTR31, TTR35

ReadWin® Quick Setup

Temperature switch Thermophant T TTR31, TTR35 device release: 01.01. - 01.02.

Temperature Switch Thermophant T TTR31, TTR35 device release: 01.00. - 01.01.

Device viewer

Temperaturmesstechnik

Temperature measurement

Misura della temperatura

Back

Commubox FXA291 (Hardware)

Gasket rubber cap CDI-connector

Collar welded socket d6 PEEK + screw

Collar welded socket d6 PEEK w/o screw

M12 elbow plug ready for cable, IP67,PG7

Cable M12x1 l=5m

Compression Fitting TA50

Configuration Kit TXU10

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Power Supply

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Display

Power Supply

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Display

Calculations

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Display

Power Supply

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Power Supply

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Display

Power Supply

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Display

Power Supply

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Thermophant T TTR31
Temperature switch