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Compact sanitary RTD - iTHERM TrustSens TM371

iTHERM TrustSens TM371
Compact thermometer

Metric RTD thermometer with self-calibration technology for hygienic applications

TM371
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Compact sanitary RTD - iTHERM TrustSens TM371
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©Endress+Hauser

Compact sanitary RTD - iTHERM TrustSens TM371 with self-calibrating Pt100 sensor and iTHERM QuickNeck quick-release neck for fast insert removal

Sanitary RTD TrustSens TM371 with elbow thermowell in hygienic design
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©Endress+Hauser

Sanitary RTDs, such as the compact iTHERM TrustSens TM371 temperature measurement device, are available with special elbow thermowells in hygienic design for clean processes and accurate measurements

iTHERM TrustSens TM371, winner of the HERMES AWARD 2018
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Deutsche Messe AG

Our sanitary resistance thermometer is recognized by numerous industry awards for its breakthrough technology, including the prestigious HERMES AWARD

Self-calibrating hygienic resistance thermometer with iTHERM QuickNeck
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©Endress+Hauser

iTHERM TrustSens with patented iTHERM QuickNeck for all hygienic and aseptic applications

Sanitary RTD iTHERM TrustSens TM371 with self-calibrating function
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©Endress+Hauser

Temperature measurement is a critical part of sterile process applications. iTHERM TrustSens supports automation of product safety and compliance.

Compact sanitary RTD - iTHERM TrustSens TM371 with self-calibrating Pt100 sensor and iTHERM QuickNeck quick-release neck for fast insert removal

Heartbeat Technology

Specs at a glance

  • Response time

    t50 = 2.5 s
    t90 = 5.4 s

  • Max. process pressure (static)

    at 20 °C: 40 bar (580 psi)

  • Operating temperature range

    Pt100:
    -40 °C to 160 °C (-40 °F to 320 °F),
    optional up to 190 °C (374 °F)
    reference point for automated calibration

  • Max. immersion length on request

    up to 900.00 mm (35.4'')

Field of application

iTHERM TrustSens is the only self‑calibrating RTD thermometer for hygienic processes, delivering continuous accuracy and compliance without interrupting production. Its fully automated in‑situ self‑calibration and Heartbeat Technology ensure reliable drift detection, audit‑proof documentation, and maximum process efficiency.

  • Designed for critical hygienic / aseptic applications in the life sciences, food and beverage industry

  • 118 °C (244 °F) calibration point for steam‑based processes, e.g. Sterilization‑In‑Place (SIP).

  • 39 °C (102 °F) calibration point for e.g. Cleaning‑In‑Place (CIP), pasteurization, distillation.

  • Hygienic- and food safety compliance: EHEDG, ASME BPE, FDA, 3‑A, EC 1935/2004, EC 2023/2006, EU 10/2011.

  • Instrument approvals: CE/EAC, CRN, CSA, explosion protection e.g ATEX/IECEx.

Benefits

  • No plant downtime and reduced operational costs: Fully automated in‑situ self‑calibration without interrupting the process for recalibration.

  • Safe audits and minimized risk: Automatically generated, traceable and audit‑proof calibration certificates.

  • Improved product quality and process safety: Continuous device monitoring and verification with Heartbeat Technology, including automated loop checks.

  • Highest measurement accuracy thanks to individual sensor‑transmitter matching performed at the factory.

  • Easy handling: iTHERM TrustSens comes preconfigured for quick integration; simply connect and start measuring. Guided wizards support intuitive commissioning.

  • Digitally future‑ready: 24/7 access to all calibration data, including cloud‑based availability via Netilion.

Videos

  • iTHERM TrustSens TM371 sanitary RTD: The world's first self-calibrating hygienic temperature transmitter

  • How to perform a fully automated, inline 4 to 20 mA loop check in five easy steps

  • Heartbeat Technology
    Smart instrumentation through Heartbeat Technology

    You want to increase plant performance and reduce costs? Our smart instrumentation portfolio with Heartbeat Technology offers in-depth device insight for more cost-efficiency and operational safety.

  • iTHERM TrustSens - self-calibrating RTD sensor

    A unique temperature sensor technology based on an integrated fixed-point reference element that enables reliable and accurate recalibration of the primary Pt100 RTD sensor.

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