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iTHERM TrustSens self-calibrating temperature sensor

Award-winning sensor technology helps reduce risk, improve process safety in critical applications

Endress+Hauser has developed the world's first self-calibrating temperature sensor technology specifically designed for hygienic applications that require strict compliance to FDA regulations and GMP rules. The sensor unit combines a standard Pt100 RTD sensor with a highly accurate fixed-point reference element that makes use of the Curie temperature effect to generate a calibration signal. The award-winning design helps to minimize risk and measurement uncertainties in critical processes.

iTHERM TrustSens sensor illustration with integrated reference element ©Endress+Hauser
iTHERM TrustSens temperature sensor ©Endress+Hauser

Benefits

  • Reliable and accurate by design:

    Repeatability and traceability of the measurement chain

    Integrated physical reference side-by-side with Pt100 sensor

    Sensor-transmitter matching for highest measurement accuracy

  • Seamless system integration:

    4 to 20 mA output and HART® protocol

    Calibration monitoring with Memograph M RSG45 data manager

    Siemens SIMATIC ET 200SP system integration

  • Certified by independent institutions:

    TÜV, Technical University Ilmenau

  • Ex-works calibration certificate for the integrated reference

    Curie-point certificate for the integrated fixed-point reference

  • Low invasiveness:

    Miniaturized sensor element (3mm insert, 6mm thermowell) in a compact device housing

In conjunction with the integrated HART ® transmitter and Heartbeat Technology features, the iTHERM TM371 and TM372 represent the world’s first RTD sensor unit capable of fully automated in-situ self-calibration. The patented innovation has been extensively tested and verified in lab and field trials. The results have been found to exceed expectations in terms of measurement accuracy and stability, as customers around the world are transitioning to the new technology.

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