Why does my flow sensor show flow even when there is no flow in the pipe?

Q: Why does my flow sensor show flow even when there is no flow in the pipe?

Possible causes: A zero-flow calibration has not been performed or was done incorrectly. High humidity or oil residue may cause thermal sensors to register false readings. Nearby machinery or vibrations might create noise signals that are interpreted as flow. Solutions: Use the S4C-FS software to perform a proper zero-flow calibration with the pipe completely depressurized. Check for moisture or oil using a dew point sensor or monitor. Avoid installing the sensor near sources of vibration, such as compressors or motors, which could affect accuracy.

Question

Simon Gleissner · Accepted Answer

Possible causes:

A zero-flow calibration has not been performed or was done incorrectly.
High humidity or oil residue may cause thermal sensors to register false readings.
Nearby machinery or vibrations might create noise signals that are interpreted as flow.

Solutions:

Use the S4C-FS software to perform a proper zero-flow calibration with the pipe completely depressurized.
Check for moisture or oil using a dew point sensor or monitor.
Avoid installing the sensor near sources of vibration, such as compressors or motors, which could affect accuracy.

Why does my flow sensor show flow even when there is no flow in the pipe?

Why does my flow sensor show flow even when there is no flow in the pipe?

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