

Specs at a glance
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Accuracy
class A acc. to IEC 60751
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Response time
t50 = 1 s
t90 = 2 s -
Max. process pressure (static)
at 20 °C: 100 bar (1.450 psi)
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Operating temperature range
PT 100:
-50 °C ...200 °C
(-58 °F ...392 °F) -
Max. immersion length on request
up to 600,00 mm (23,62'')
Field of application
With cost efficiency, optimal use of space, reliable operation, easy installation and commissioning the TMR31 fulfills the requirements of modern process measurement technology. Vibration-proof integrated thin-film sensors guarantee highest operational safety at the fastest response times.
The TMR31 compact thermometers are used to measure temperatures from -50 °C to +150 °C (-58 °F to +302 °F), or up to +200 °C (+392 °F) with neck. The most common installation locations are tanks and pipes. TMR31 with process connections for general applications.
Benefits
Small, compact design made entirely of stainless steel
Extremely short response times
Highly accurate even with short insertion lengths
4-wire, Pt100 or PC-programmable transmitter with 4 to 20 mA output
Configuration and visualization with ReadWin® 2000 PC operating software, which is free of charge
Breakdown information in event of sensor break or sensor short-circuit, adjustable as per NAMUR NE43
Marine approval
Fundamental selection
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Simple products
- Easy to select, install and operate
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
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Technical Information (TI)
TI Weld-in adapter, process adapter and flanges
Level, pressure and temperature measurement
EN Select other language 06/12/202425/03/202415/09/202328/10/202130/07/2021Language:
English
Version:
06/12/2024
File size:
1.3 MB
File name:
TI00426FEN_2624.pdf
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Technical Information (TI)
TI Compact thermometer TMR31, TMR35
Metric, compact RTD 4-20 mA thermometer for industrial and hygienic applications
EN Select other language 28/02/202501/04/202431/10/202211/01/202120/12/2018Language:
English
Version:
28/02/2025
File size:
911.8 KB
File name:
TI00123REN_2225-00.pdf
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Operating Instruction (BA)
ReadWin® Quick Setup
Operating Manual
ReadWin® Quick Setup Temperature
PC SoftwareEN Select other language 02/02/2005Language:
English
Version:
02/02/2005
File size:
883.5 KB
File name:
Ba213ra2.pdf
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Operating Instruction (BA)
BA Compact thermometer TMR31, TMR35
Metric, compact RTD 4-20 mA thermometer for industrial and hygienic applications
EN Select other language 28/02/202501/04/202431/10/202211/01/202127/07/2018Language:
English
Version:
28/02/2025
File size:
925 KB
File name:
BA00215REN_2025-00.pdf
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Special Documentation (SD)
Device viewer
Technical documentation in other languages
Language:
English
Version:
14/07/2021
File size:
478.5 KB
File name:
SD02429R09EN_0121.pdf
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PU (Publication)
Misura della temperatura e componenti di sistema per i settori alimentare e farmaceutico.
Misura della temperatura e componenti di sistema per i settori
alimentare e
farmaceutico.
La nuova frontiera dell'igiene: un'offerta complete per applicazioni
igieniche e asetticheLanguage:
Italian
Version:
10/01/2020
File size:
11.2 MB
File name:
EH_Booklet COMPLETO.pdf
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Fields of Activities (FA)
Temperaturmesstechnik
Thermometer und Transmitter für die Prozessindustrie
Language:
German
Version:
04/02/2025
File size:
18.4 MB
File name:
FA00006Tde_2325_interaktiv_verb.pdf
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Fields of Activities (FA)
Temperature measurement
Thermometers and transmitters for the process industry
Language:
English
Version:
04/02/2025
File size:
19.1 MB
File name:
FA00006Ten_2325_interaktiv_verb.pdf
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Fields of Activities (FA)
Misura della temperatura
Misura della temperatura
Termometri e trasmettitori per l'industria di processoLanguage:
Italian
Version:
09/07/2024
File size:
20.3 MB
File name:
FA00006Tit_2223.pdf
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Fields of Activities (FA)
Misura della temperatura
Termometri e trasmettitori per l'industria di processo
Language:
Italian
Version:
17/02/2020
File size:
30.6 MB
File name:
FA00006TIT_2020.pdf
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Fields of Activities (FA)
Mesure de température
Capteurs et transmetteurs de température pour les industries de process
Language:
French
Version:
20/12/2019
File size:
60.9 MB
File name:
FA00006TFR-Mesure de temperature.pdf
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Fields of Activities (FA)
Catálogo medición temperatura
Termómetros y transmisores para la industria de proceso
Language:
Spanish
Version:
20/04/2018
File size:
5.5 MB
File name:
FA00006Tes_Catalogo Temperatura_1818.pdf
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Fields of Activities (FA)
温度計
プロセス産業向けの温度計
および伝送器Language:
Japanese
Version:
17/02/2020
File size:
38.9 MB
File name:
FA00006TJA_2020.pdf
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Competence Brochure (CP)
Catálogo soluciones esenciales
Alta calidad a precios competitivos
Language:
Spanish
Version:
16/01/2017
File size:
8.9 MB
File name:
CP01266Z.pdf
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Case Study (CS)
Надежный контроль дренирования воды для эффективной добычи руды
ТОО «Бакырчикское горнодобывающее предприятие»
доверяет измерительным технологиям Endress+HauserLanguage:
Russian
Version:
20/05/2019
File size:
772.3 KB
File name:
CS01595U_Bakyrchik_mining_ru.pdf
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Case Study (CS)
Advanced water drainage control for efficient ore extraction
LLP Bakyrchik Mining Venture trusts Endress+Hauser
measuring technologiesLanguage:
English
Version:
20/05/2019
File size:
758.8 KB
File name:
CS01595U_Bakyrchik_mining_en.pdf
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Manufacturer Declaration
Product family: Controller, Process RTD general purpose, Process RTD heavy duty, Process RTD hygienic, RTD thermometer
Product root: FML621-, TM101-, TM111-, TM121-, TM151-, TM311-, TM401-, TMR31-, TMR35-, TR15-, TR65-, TR66-, TTR31-, TTR35-
Declaration number: ЕАЭС KZ 7500533.13.12.04163
Manufacturer specification: EMCLanguage:
Russian
Version:
28/08/2024
File size:
1.2 MB
File name:
EACKZ7500533131204163.pdf
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Manufacturer Declaration
Product family: RTD thermometer
Product root: TMR31-
Declaration number: HE_00503_01.17
Manufacturer specification: RoHSLanguage:
English
Version:
13/03/2017
File size:
166.3 KB
File name:
HE_00503_01.17 CHina RoHS TMR31.pdf
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EU Declaration
Product family: Industrial modular thermometer, Low cost RTD general purpose, Magphant, Plugs RTD direct contact, Process RTD direct contact, Process RTD direct in contact, Process RTD explosion proof, Process RTD general purpose, Process RTD heavy duty, Process R TD hygienic, Process TC direct contact, Process TC direct in contact, Process TC explosion proof, Process TC general purpose, Proces s TC heavy duty, RTD thermometer, TC heavy duty
Product root: DTT31-, DTT31L-, DTT35-, DTT35L-, GPTL-, MLTTS00-, MLTTS01-, OTR31-, OTR35-, OTR90-, OTR91-, OTR92-, OTR93-, OTR94-, O
TR95-, OTR96-, TMR31-, TMR31L-, TMR35-, TMR35L-, TMT470L-, TTR31-, TTR35-
Declaration number: EC_00568_03.24EN Select other language 20/02/2024Language:
English
Version:
20/02/2024
File size:
152 KB
File name:
EC_00568_03.24.pdf
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EU Declaration
Product family: RTD thermometer
Product root: TMR31-, TMR35-
EN Select other language 12/03/2007Language:
English
Version:
12/03/2007
File size:
78.1 KB
File name:
EG9-046-05.pdf
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