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Thermal mass measurement

Thermal dispersion
A heated cylindrical transducer is cooled by the flowing gas or liquid stream. The power in the transducer is controlled such that the transducer temperature is maintained at a constant differential temperature relative to the medium temperature. The transducer power is proportional to the medium flow speed.
Principle Thermal dispersion (Kings law)

For more information: Endress+Hauser GmbH
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thermal mass

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