| |

Endress+Hauser’s iTHERM Self-Calibrating Thermometers Create New Possibilities with Additional Smart, Safety, Features

June 19, 2023

Endress+Hauser’s iTHERM Self-Calibrating Thermometers Create New Possibilities with Additional Smart, Safety, Features
The Endress+Hauser iTherm TrustSens, the world’s only self-calibrating thermometer, is better than ever. It now comes with explosion protection, optional wireless and cloud connectivity, and can function according to spec in process temperatures up to 190ºC

Endress+Hauser has introduced generation 2.0 of its iTHERM TrustSens TM371/TH372, which they claim is still the world’s only self-calibrating RTD thermometer for hygienic operations. Gen 2.0 includes new smart and safe features for added convenience and expanded roles in the life sciences and food-and-beverage sectors in particular. These include a wider operating temperature range (-40 to 190ºC), explosion protection, optional Bluetooth/WirelessHeart connectivity and potential integration with Netilion, Endress+Hauser’s cloud-based IIoT ecosystem. 

The added explosion protection and expanded temperature range (up to 160°C as standard and 190°C as an option) creates potential new applications for iTHERM, including monitoring of edible oils and UHT milk or baking and frying processes. Certification for Ex-ia/IS makes it suitable for dust and gas applications like storage of grains, flour or pet food or for monitoring production of milk powder and alcohol or for sterile filling or ethylene oxide sterilization. 

Adding Bluetooth or Wireless/HART connectivity can provide easy access to calibration data and device configuration parameters in the field, without the need to unplug or dismount the device. It means faster access to the device diagnostic and process data generated by the device’s Heartbeat Technology for optimizing processes and overall plant performance. 

Considering that some production facilities can have hundreds of thermometers, often in hard-to-reach places, the time and cost benefits of being able to access this data on a smartphone or tablet from a safe distance are obvious. With Netilion integration, such monitoring can be done centrally, even remotely, 24/7. 

First self-calibrating thermometer – iTHERM TrustSens Hygienic compact thermometer

The iTHERM TrustSens TM372 (imperial style) and its metric equivalent, TM371, enables continuous, traceable monitoring thanks to their fully automated inline self-calibration function without process interruption. This results in high product safety, increased plant availability and reduced risk and costs. It is ideal for users who require absolute compliance with FDA and/or GMP regulations. 

The genius of the iTHERM TrustSens technology and why it’s won over so many customers is the sensor unit, consisting of a primary Pt100 temperature sensor and a highly accurate integrated reference with long-term stability. The reference sensor uses a physical fixed point on the basis of the Curie temperature and therefore serves to regularly calibrate the primary sensor. 

The self-calibration is triggered fully automatically at a temperature of 118°C (Curie point of the integrated reference), a process typically occurring during steam sterilization (SIP) cycles at a plant. This ensures that the constantly high measuring accuracy of the temperature sensor is permanently monitored throughout its entire life cycle. The iTHERM TrustSens has a <0.35 K (excellent) to <0.55 K (standard) calibration uncertainly compared to manual calibration, which can have an uncertainty factor up to ±1 K, especially if the task is performed by inexperienced personnel or under suboptimal conditions. 

The iTHERM TrustSens provides audit-compliant calibration data for complete documentation at all times: A valid calibration certificate can be produced automatically with a simple mouse click (eg. with the Endress+Hauser FieldCare software). Moreover, verification of the thermometer’s measuring accuracy data from the last 350 calibrations is stored directly in the device (FIFO memory). This makes it possible to access a long device and process history, which can be used as a basis for predictions and the early determination of trends. As such, the iTHERM TrustSens is Industry 4.0-ready and future-proofed.

More Information

iTHERM TrustSense

Related Story

With Strong Results into the Anniversary Year for Endress+Hauser

2022 was marked by strong growth worldwide for Endress+Hauser. The specialist for measurement and automation technology delivered more sensors than ever before despite strained procurement and logistics chains. Incoming orders, sales and employment reached new highs; profits fell due to a negative financial result. The company, which is celebrating its 70th anniversary in 2023, remains confident for the current year.

Related Articles


Latest Articles

  • Festo Didactic Showcases Technical Education and Training at Hannover Messe 2025

    Festo Didactic Showcases Technical Education and Training at Hannover Messe 2025

    May 20, 2025 By Krystie Johnston Hannover Messe 2025 was an extra special event for Festo. The Festo Group celebrated their 100th anniversary, Festo Canada celebrated their 50th anniversary, and Festo Didactic celebrated their 60th anniversary. Festo Didactic, the education arm of the company, understands how important education is for empowering individuals, driving economic growth,… Read More…

  • EtherCAT in Boost Mode

    May 14, 2025 EtherCAT and PC-based control in test bench technology EtherCAT is by far the fastest Industrial Ethernet technology. Nevertheless, the data acquisition process at Kraus & Naimer’s cam controller test benches called for an even shorter bus cycle. To achieve the required performance, Beckhoff specialists reduced the previous cycle time from 100 µs… Read More…


Featured Article

Revolutionizing Material Movement with Autonomous Mobile Robots

Revolutionizing Material Movement with Autonomous Mobile Robots

In today’s fast-paced manufacturing and logistics industries, the need for efficient and flexible material movement solutions has never been greater. Traditional methods like conveyor systems, forklifts, and manual pushcarts have served us well, but they come with limitations.

That’s why Omron is thrilled to announce the launch of their game-changing MD Series of Autonomous Mobile Robots (AMRs). Read more


Products

  • Electromate to Offer UR7e, UR12e & UR15 Collaborative Robots from Universal Robots

    May 20, 2025 Electromate is expanding its lineup of collaborative automation solutions with the addition of three advanced models from Universal Robots: the UR7e, UR12e, and UR15. These robots provide enhanced options for payload, reach, and precision in demanding collaborative applications. The UR7e delivers a 7 kg payload, 1300 mm reach, and ±0.03 mm repeatability. Positioned between the UR5e and… Read More…

  • Redefining Non-Invasive Temperature Measurement

    May 14, 2025 iTHERM SurfaceLine TM611 provides accuracy and response time comparable to invasive temperature measurement. The non-invasive thermometer iTHERM SurfaceLine TM611 by Endress+Hauser can be used across all industries for a wide range of demanding industrial applications. The surface-mounted thermometer measures process temperature without the risk of leakage and flow disruption. A specially designed… Read More…