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Support Center: Guides & FAQs

Find guidance on installation, product selection, technical concepts, and troubleshooting.

This Knowledge Base provides clear answers about compressed air monitoring and SUTO iTEC products. Topics include installation, choosing the right instruments, and solving common issues. We update this section regularly with new content. If you cannot find the information you need, please contact us.

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Why does my flow meter show flow in both directions?

Negative flow readings are usually caused by reversed sensor installation or incorrect flow direction settings in the software.

Possible causes:
  • The sensor may be physically installed in the wrong direction.
  • The flow direction configuration in the software may be reversed.
Solutions:
  • Look for directional arrows on the sensor housing and confirm that they match the actual flow direction.
  • If necessary, update the flow direction settings in the S4C-FS software to correct the reading.
Tags: bidirectional flow, flow arrow wrong, flow back, reverse installation, S401, S415, S418, S421, S430, S451, S453, S4C-FS direction setting
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