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The Endress+Hauser TrustSens TM371 temperature sensor features unique technology that provides fully automated inline self-calibration without process interruption.

The new sensor’s self-calibration function saves time and costs, and increases plant efficiency, as there is no need to stop production or remove the instrument to perform a calibration. By automating this time-consuming task, TrustSens can also help to reduce the risk of product wastage as instrument drift is quickly detected. Designed for use in hygienic and aseptic applications within the life sciences and food & beverage industries, TrustSens is also fully compliant with FDA and GMP regulations.

This unique sensor contains both an accurate PT100 temperature element and a separate, highly stable reference located at the probe tip. When the instrument observes 118°C, a temperature typically seen during SIP cleaning cycles as part of a cooling cycle, the measured temperature is compared against the neighbouring reference to check its accuracy.

At the same time, an audit-compliant calibration certificate is digitally produced and stored within the temperature probe, ready to be downloaded at any time across HART communication using the free Endress+Hauser Devicecare software or the more advanced Fieldcare software.

With capacity to store up to 350 entries, it is possible to access a long calibration history of your TrustSens instrument. Each calibration is traceable to the ITS-90 International Temperature Scale, and each TrustSens unit is supplied ex-works with a calibration certificate showing this calibration chain.

For more information on iTHERM TrustSens TM37x, visit


Endress+Hauser is a global leader in measurement instrumentation, services and solutions for industrial process engineering. With over 8,000 employees worldwide, the Group generates annual net sales of more than Euro1.1 billion.

The Endress+Hauser Group

Endress+Hauser is a global leader in measurement instrumentation, services and solutions for industrial process engineering. The Group employs 13,000 personnel across the globe, generating net sales of more than 2.1 billion euros in 2015.
With dedicated sales centres and a strong network of partners, Endress+Hauser guarantees competent worldwide support. Production centers in 11 countries meet customers’ needs and requirements quickly and effectively. The Group is managed and coordinated by a holding company in Reinach, Switzerland, with UK headquarters in Manchester. As a successful family-owned business, Endress+Hauser is set for continued independence and self-reliance.
Endress+Hauser provides sensors, instruments, systems and services for level, flow, pressure and temperature measurement as well as analytics and data acquisition. The company supports customers with automation engineering, logistics and IT services and solutions. Our products set standards in quality and technology.
We work closely with the chemical, petrochemical, food & beverage, oil & gas, water & wastewater, power & energy, life science, primaries & metal, renewable energies, pulp & paper and shipbuilding industries. Endress+Hauser supports its customers in optimising their processes in terms of reliability, safety, economic efficiency and environmental impact.
Founded in 1953 by Georg H Endress and Ludwig Hauser, Endress+Hauser has been solely owned by the Endress family since 1975. The Group has developed from a specialist in level measurement to a provider of complete solutions for industrial measuring technology and automation, with constant expansion into new territories and markets.

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