
Specs at a glance
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Response time
t50 = 2.5 s
t90 = 5.4 s -
Max. process pressure (static)
at 20 °C: 40 bar (580 psi)
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Operating temperature range
Pt 100:
-40 °C to 160 °C
(-40 °F to 320 °F) -
Max. immersion length on request
up to 900.00 mm (35.4'')
Field of application
Our award-winning iTHERM TrustSens TM371 sanitary RTD features the world's first self-calibrating Pt100 sensor unit! The hygienic temperature transmitter with Heartbeat Technology effectively eliminates the risk of undetected non-conformities, reduces production downtime while increasing product safety and process efficiency in food, beverage and life sciences applications. The instrument complies with FDA and GMP regulations and integrates with the Netilion cloud-based Industry 4.0 ecosystem.
Designed for critical hygienic and aseptic applications in life sciences, food & beverage
RTD self-calibration in processes such as SIP, UHT, edible oil refining, industrial deep fat frying and more
Measuring range: -40 to 160 °C (-40 to 320 °F)
Protection class: up to IP69K
Signal output: 4 to 20 mA, HART®
Optional: Secure Bluetooth® and/or WirelessHART® (requires FieldPort SWA50)
EHEDG, ASME BPE, FDA, 3-A, 1935/2004, 2023/2006, 10/2011, CE, CRN, CSA General Purpose
Benefits
Reduce risks and costs by implementing fully automated, traceable inline RTD sensor self-calibration; Eliminate non-conformities or undetected failures
True sanitary RTD sensor self-calibration making use of the Curie effect
Built-in, long-term stable fix point reference with complete traceability of calibration chain to ITS-90
Full instrument diagnostics, monitoring and verification with Heartbeat Technology
Automated process documentation, built-in memory for 350 calibration events
24/7 access to printable, audit proof calibration certificates, on-site or through cloud-based system integration
Built-in 4 to 20 mA loop check function saves time and increases process safety
Highest temperature measurement precision
Individual transmitter-sensor matching from factory for improved RTD accuracy
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 |
---|---|---|
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
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Xpert selection Master your most challenging applications |
Technical excellence
|
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 14/02/202216/06/202114/01/202101/08/201830/05/2018Language:
English
Version:
14/02/2022
File size:
1.9 MB
File name:
TI01292TEN_0722-00.pdf
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Operating Instruction (BA)
TrustSens Calibration Monitoring Operating Instructions
TrustSens Calibration Monitoring
EN 30/11/2018Language:
English
Version:
30/11/2018
File size:
2.5 MB
File name:
BA01887REN_0118.pdf
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Operating Instruction (BA)
iTHERM TrustSens TM371
Compact thermometer in metric style with self-calibration HART communication
EN 31/03/202220/01/202121/08/201827/02/201820/09/2017Language:
English
Version:
31/03/2022
File size:
4.3 MB
File name:
BA01581TEN_0522-00.pdf
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Short Instruction (KA)
iTHERM TrustSens TM371
Compact thermometer with self-calibration function HART® communication
EN 31/03/202220/01/202123/02/201820/09/2017Language:
English
Version:
31/03/2022
File size:
1.3 MB
File name:
KA01272TEN_0422-00.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
Language:
English
Version:
07/03/2022
File size:
409.6 KB
File name:
XA02834TEN_0122-00.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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Competence Brochure (CP)
iTherm TrustSens TM371, TM372
Thermometer und Systemprodukte für die Branchen Food & Beverage und Life Sciences
Language:
German
Version:
04/09/2017
File size:
1.8 MB
File name:
CP01302T11DE_0219_Temperaturmesstechnik_TrustSens.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
Weltweit erstes selbstkalibrierendes Thermometer
Language:
German
Version:
09/07/2018
File size:
1.6 MB
File name:
IN01102TDE_0218.pdf
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O-ring set for ingold connection
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further parts
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O-ring 14.9x2.7 VMQ, FDA, 5 pcs.
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further parts
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O-ring 21.89x2.62 VMQ, FDA, 5 pcs.
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further parts
Order code52014473 -
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O-ring 28.17x3.53 VMQ, FDA, 5 pcs.
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further parts
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O-ring 28.17x3.53 VMQ, FDA, 5 pcs.
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further parts
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Profile gasket 29x36x3.7, FDA, 5 pcs.
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further parts
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Spare Part Kit Press-Screw TK40 G1/4 d6
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further parts
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Spare Part Kit Press-Screw TK40 G1/2 d6
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further parts
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Commubox FXA291 (Hardware)
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further parts
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Compression Fitting TK40
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further parts
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Spare Parts Kit Sealing TK40
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further parts
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iTHERM TT411 Thermowell
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further parts
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Commubox FXA195
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further parts
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FieldCare SFE500
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further parts
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Fieldgate FXA42
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further parts
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TrustSens TM371
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further parts
Order codeTM371- -
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plug screw fitting G1/2 1.4435
Order code60022519 -
Weld in adapter M12x1.5 1.4435/316L
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G1/2 metal to metal weld in adapter
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Plug screw fitting 316L M12x1.5
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Adapter for Ingold connection, 3.1
Order code71531585 -
Adapter for Ingold connection
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Weld-in adapter G3/4 d=50, 316L, 3.1
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Weld-in adapter G3/4, d=29, 316L, 3.1
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Weld-in adapter G3/4, d=55, 316L
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Weld-in adapter G3/4, 316L, 3.1
Order code52011897 -
Weld-in adapter G1, d=53, 316L, 3.1
Order code71093129 -
Weld-in adapter G1, d=60, 316L
Order code52001051 -
Weld-in adapter G1, d=60, 316L, 3.1
Order code52011896 -
Weld-in adapter G1, adjustable, 316L
Order code52001221 -
Weld-in adapter G1, adjustable,316L, 3.1
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Grip cap flexible yellow TPE
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Cordset 4p D18 IP69K
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Cable connector M12 IP69k 5m
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Adapto Upgrade TXU10 - TM37x
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Configuration Kit TXU10
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