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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 always show maximum flow?

Incorrect flow readings can be caused by wrong software settings, sensor contamination or moisture in the system. Regular checks help restore measurement accuracy.

Possible causes:
  • The pipe diameter or measuring range may be incorrectly set in the software.
  • Moisture or liquid water may be entering the sensor, especially in thermal mass models.
  • The sensor could be heavily contaminated with oil or particles.
Solutions:
  • Review the sensor settings in S4C-FS and correct any errors in diameter or flow range.
  • Check the compressed air system’s dew point to ensure no water condensation is reaching the sensor.
  • Inspect and clean the sensor, and make sure filters and dryers are functioning properly upstream.
Tags: contamination, dew point issue, full scale error, max flow reading, overrange, S401, S415, S418, S421, S430, S451, S453, saturated sensor, wet sensor
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