
Specs at a glance
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Response time
t50 = 2,5 s
t90 =9,5s -
Max. process pressure (static)
at 20 °C: 40 bar (580 psi)
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Operating temperature range
PT 100:
-40 °C …160 °C (-40 °F …320 °F),
optional up to 190 °C (374 °F) -
Max. immersion length on request
up to 28'' (711 mm)
others on request
Field of application
The award-winning smart temperature probe with integrated HART® transmitter and Heartbeat Technology features the world’s first RTD sensor unit capable of fully automated in-situ self-calibration. It effectively eliminates the risk of undetected non-conformities, reduces production downtime and increases product safety and process efficiency in applications of the food & beverage and life sciences industries. The device is fully compliant to FDA 21 CFR Part 11 regulations and GMP rules.
Specially designed for use in hygienic and aseptic applications in the food & beverage and life sciences industries
Measuring range: –40 to 190 °C (–40 to 374 °F)
Pressure range up to 50 bar (725 psi)
Protection class IP67/68 or IP69K
Communication: Analog output 4 to 20 mA, HART® protocol
Benefits
Risk and cost reduction thanks to self-calibration and Heartbeat Technology
No production downtime due to an automated and fully traceable inline self-calibration
Automatized documentation, memory for 350 calibration points.
Printable calibration certificate - audit proof.
Automated 4 to 20 mA loop check for saving time and increasing safety in your process. See how iTHERM TrustSens can perform a fully automated loop check in five easy steps. The video shows the device set up and benefits for your process.
Elimination of non-conformities or undetected failures
International certifications and approvals:
– EHEDG, ASME BPE, FDA, 3-A, 1935/2004, 2023/2006, 10/2011, CE CRN, CSA General Purpose, Explosion protection, e.g. ATEX/IECExHighest accuracy of measuring point through sensor-transmitter matching
Videos
Xpert selection
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable

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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 |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
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Technical Information (TI)
Weld-in adapter, process adapter and flanges
Level and pressure measurement
EN 28/10/202119/06/202008/11/201917/08/201730/06/2016Language:
English
Version:
28/10/2021
File size:
2.9 MB
File name:
TI00426FEN_2321.pdf
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Technical Information (TI)
iTHERM TrustSens TM371
Compact thermometer in metric style for hygienic and aseptic applications HART communication
EN 31/10/202214/02/202216/06/202114/01/202101/08/2018Language:
English
Version:
31/10/2022
File size:
1.9 MB
File name:
TI01292TEN_0822-00.pdf
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Technical Information (TI)
iTHERM TrustSens TM372
Compact thermometer in US style for hygienic and aseptic applications HART communication
EN 31/10/202214/02/2022Language:
English
Version:
31/10/2022
File size:
1.7 MB
File name:
TI01612TEN_0222-00.pdf
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Operating Instruction (BA)
iTHERM TrustSens Calibration Monitoring
Memograph M RSG45 in connection with iTHERM TrustSens TM37x and the Field Data Manager (FDM) software
EN 15/12/202230/11/2018Language:
English
Version:
15/12/2022
File size:
2.7 MB
File name:
BA01887REN_0222-00.pdf
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Operating Instruction (BA)
iTHERM TrustSens TM372
Compact thermometer in US style with self-calibration HART communication
EN 31/10/202231/03/2022Language:
English
Version:
31/10/2022
File size:
4 MB
File name:
BA02224TEN_0222-00.pdf
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Operating Instruction (BA)
iTHERM TrustSens TM371
Compact thermometer in metric style with self-calibration HART communication
EN 31/10/202231/03/202220/01/202121/08/201827/02/2018Language:
English
Version:
31/10/2022
File size:
4.3 MB
File name:
BA01581TEN_0622-00.pdf
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Operating Instruction (BA)
iTHERM TrustSens TM372
Termometro compatto in "US style" con autotaratura Comunicazione HART
Language:
Italian
Version:
31/03/2022
File size:
4 MB
File name:
BA02224TIT_0122-00.pdf
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Short Instruction (KA)
iTHERM TrustSens TM372
Compact thermometer with self-calibration function HART® communication
EN 19/01/202331/03/2022Language:
English
Version:
19/01/2023
File size:
1.3 MB
File name:
KA01563TEN_0223-00.pdf
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Short Instruction (KA)
iTHERM TrustSens TM371
Compact thermometer with self-calibration function HART® communication
EN 19/01/202331/03/202220/01/202123/02/201820/09/2017Language:
English
Version:
19/01/2023
File size:
1.3 MB
File name:
KA01272TEN_0523-00.pdf
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Ex Safety Instruction (XA)
iTHERM TrustSens TM371, TM372
Compact thermometer in metric style for hygienic and aseptic applications HART® communication II1/2G Ex ia IIC T6...T1 Ga/Gb II1/2D Ех ia IIIC 85 °C…450 °C Da/Db
EN 07/03/2022Language:
English
Version:
07/03/2022
File size:
409.6 KB
File name:
XA02834TEN_0122-00.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)
Next Level Hygienic: Complete offering for the Food & Beverage and Life Sciences industries
Endress+Hauser offers innovative temperature sensors and assemblies, system products, accessories, software solutions and related services for hygienic, sterile and aseptic applications in the food & beverage and life sciences industries governed by stringent quality and safety regulations.
EN 05/08/2022Language:
English
Version:
05/08/2022
File size:
25.5 MB
File name:
PU01305T_09_EN_03.22.pdf
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PU (Publication)
iTHERM TrustSens Calibration Monitoring - Automated temperature measurement solution
iTHERM TrustSens Calibration Monitoring - Automated temperature measurement solution 100% compliance, 0% effort With automated iTHERM TrustSens calibration monitoring, Endress+Hauser offers optimized process verification and higher safety at minimum effort to users in the life sciences and food & beverage industries. The bundle consisting of iTHERM TrustSens TM371 self-calibrating temperature sensor, Memograph M RSG45 data manager and FDM Software offers FDA- compliant process verification, automated, audit-proof documentation and enables predictive maintenance.
Language:
English
Version:
08/02/2019
File size:
535.3 KB
File name:
EH_iTHERM_TrustSens_Calibration_Monitoring_PU01310T_EN_0119.pdf
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PU (Publication)
iTHERM TrustSens TM37x World’s first self-calibrating thermometer
The world’s first self-calibrating compact thermometer iTHERM TrustSens TM371 and TM372 is designed for applications in the life sciences and food & beverage industries that require seamless compliance to FDA regulations and/orGMP rules.
EN 05/08/2022Language:
English
Version:
05/08/2022
File size:
1.8 MB
File name:
PU01219T_EN_0622.pdf
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PU (Publication)
iTHERM TrustSens Kalibrierungsüberwachung Automatisierte Lösung zur Temperaturmessung
Einfache & erschwingliche Innovation Mit der automatisierten Kalibrierungsüberwachung iTHERM TrustSens bietet Endress+Hauser Anwendern in der Life Sciences- sowie der Lebensmittel- und Getränkeindustrie eine optimierte Prozessverifizierung und höhere Sicherheit bei minimalem Aufwand.
Language:
German
Version:
14/09/2022
File size:
1.7 MB
File name:
PU01310T_09_DE_01.19 iTHERM TrustSens Calibration monitoring.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 asettiche
Language:
Italian
Version:
10/01/2020
File size:
11.2 MB
File name:
EH_Booklet COMPLETO.pdf
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Case Study (CS)
New Belgium Brewing optimiert Kalibrierprozess
New Belgium Brewing optimiert Kalibrierprozess Selbstkalibrierendes Thermometer spart enorm Aufwand
Language:
German
Version:
30/01/2019
File size:
504.7 KB
File name:
CS01573T24DE0119 - iTHERM TrustSens_NewBelgiumBrewing.pdf
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Innovation (IN)
iTHERM TrustSens TM371, TM372
World’s first self-calibrating thermometer
EN 05/08/2022Language:
English
Version:
05/08/2022
File size:
2.9 MB
File name:
IN01102TEN_0322.pdf
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Innovation (IN)
iTHERM TrustSens TM371, TM372
Le premier capteur de température auto-étalonnable au monde
Language:
French
Version:
05/07/2017
File size:
661.1 KB
File name:
IN01102TFR-0117-iTHERM-TrustSens.pdf
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Innovation (IN)
iTHERM TrustSens TM371, TM372
Il primo termometro al mondo con funzione di autotaratura
Language:
Italian
Version:
02/01/2018
File size:
2.2 MB
File name:
IN01102TIT_0117.pdf
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Innovation (IN)
iTHERM TrustSens TM371, TM372
La primera sonda de temperature con autocalibración del mundo
Language:
Spanish
Version:
05/07/2017
File size:
380.7 KB
File name:
IN01102T_Folleto TrustSens_0117_ES.pdf
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White paper
Data integrity based on ALCOA+ principles
In the context of the MemographM RSG45 Data Manager combined with Field Data Manager (FDM) analysis software.
Language:
English
Version:
30/04/2021
File size:
4.8 MB
File name:
WP01159R_09_EN_0121.pdf
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White paper
Datenintegrität gemäß den ALCOA+ Prinzipien
Angewandt auf den Datenmanager Memograph M RSG45 in Kombination mit FDM
Language:
German
Version:
30/04/2021
File size:
4.8 MB
File name:
WP01159R_09_DE_0121.pdf
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White paper
Selbstkalibrierende Thermometer für den Einsatz in der hygienischen Verfahrenstechnik
Theorie und Praxis Funktionsprinzip der Selbstkalibrierung
Language:
German
Version:
19/10/2018
File size:
15.3 MB
File name:
WP01086T09DE_01.18.pdf
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White paper
Self-calibrating thermometers for use in hygienic process engineering
Theory and practice. Application examples, detection of sensor errors... Whitepaper
Language:
English
Version:
19/10/2018
File size:
14.2 MB
File name:
WP01086T09EN_01.18.pdf
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AI (Application note)
Medical autoclaves: Reducing risk in batch sterilization Self-calibrating temperature sensors increase process safety
Medical autoclaves and steam sterilizers rely on accurate, precise and reliable temperature measurements to comply with process requirements. New sensor technology automates recalibrations to reduce risk between intervals and provide audit-proof batch certification.
Language:
English
Version:
12/11/2020
File size:
960.5 KB
File name:
EH_TrustSens_Medical-Autoclaves_AI01145T_EN_0120.pdf
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AI (Application note)
Self-calibrating temperature measurement technology improves process safety,regulatory compliance in pharmaceutical applications with continuous process verification
Inline self-calibrating thermometers such as the iTHERM TrustSens TM371 can contribute to minimizing the risk of incorrect measurements and improves process safety, regulatory compliance (FDA) in pharmaceutical applications with continuous process verification (GMP). Automated documentation helps effortlessly build a repeatable, traceable record database for audits and regulatory authorities. The publication takes a look at the physical mechanics and scientific evidence behind the technology.
Language:
English
Version:
22/08/2019
File size:
3.2 MB
File name:
EH_SelfCal_Pharma_AI01122T_EN.pdf
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AI (Application note)
Self-calibrating RTD temperature sensor in UHT processes Increase process safety and product quality
In UHT processes the product is heated to above 135 °C to kill as many microorganisms as possible withthe aim to increase the shelf life of the end product. Accurate and reliable temperature control is crucial to avoid negative effects on the taste and product quality, making periodic calibration of the installed temperature sensors necessary. iTHERM TrustSens is the first self-calibrating compact thermometer that calibrates automatically whenever the process temperature drops below 118°C (244.4 °F).
Language:
English
Version:
05/09/2019
File size:
2.2 MB
File name:
EH_SelfCal_UHT_AI01128T_0119_EN.pdf
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Manufacturer Declaration
Product family: Process RTD hygienic
Product root: TM371-, TM372- Declaration number: HE_01121_02.19 Manufacturer specification: Performance characteristics Additional information: Meas. uncertainty +/-0.349K
EN 19/03/2021Language:
English
Version:
19/03/2021
File size:
129.4 KB
File name:
HE_01121_0219.pdf
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Manufacturer Declaration
Product family: Accessories: Pipe thermowell, Magphant, PROCESS RTD HYGIENIC, RTD-THERMOMETER
Product root: DTT35-, TK40-, TM311-, TM371-, TM372-, TM401-, TM402-, TM411-, TM412-, TMR35-, TT411-, TT412-, TTR35- {Z MMM_DECLARATION_NUMBER}: HE_01097_01.19 Manufacturer specification: Food hygiene
Language:
English
Version:
28/03/2022
File size:
367.6 KB
File name:
HE_01097_02.23 MD-22010 19002.pdf
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