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Why Is Thermal Mass Flow Ideal for CDA Measurement?

by | Nov 25, 2025 | 0 comments

Thermal mass flow measurement is ideal for clean dry air (CDA) because it directly measures mass flow independent of pressure and temperature, offering high accuracy, stability and reliable performance in industrial applications.

The thermal mass flow principle measures the heat loss of a heated sensor a moving gas. Depending on the mass and the velocity of the gas passing through, the signal is proportional to the standard flow rate. This principle is very reliable over a wide range. Specifically for the detection of small air flows, as caused for example by leakage. Due to the small size an easy installation under pressure without interrupting the production is possible – another advantage over other principles.

Tags: heat loss measurement, heated sensor, thermal mass flow principle