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Innovative non-invasive temperature measurement for hydrogen

The right solution for small pipe dimensions

Hydrogen refueling stations are essential to create the infrastructure for the use of fuel cell vehicles. Since the temperature of compressed hydrogen increases with expansion during filling and the usual containers only allow a temperature of approx. +65 °C (+149 °F), temperature measurement is essential at hydrogen filling stations for safety reasons.

Hydrogen refueling station ©Adobe Stock/scharfsinn86

Benefits

  • Accurate and quick temperature measurement

  • Reduced or eliminated risk of leakages

  • Easy installation without opening of the process

  • Availability of different communication protocols

The challenge

In hydrogen refueling stations, compressed hydrogen is typically distributed in very small pipelines. A temperature measurement with a thermowell is not possible in these dimensions. Therefore, sensors directly in contact with the process are often used, inserted via T-shaped high-pressure fittings. Due to the short installation length, the sensor usually measures the temperature of the fitting, not the medium, leading to measurement errors and potential leakage risks.

Our solution

The innovative design of the non-invasive temperature sensor iTHERM SurfaceLine TM611 allows adaptation to the small pipe dimensions and accurately and quickly measures the process temperature in the hydrogen pipeline, achieving improved measurement results.

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