Published · Kuohai Editorial
Main point
A commissioning baseline is a documented operating condition that can be reproduced for comparison. Recording only that the fan ran does not establish the system's initial performance.
Information to record
Record production status, open branches, fan setting, filter condition and relevant measurements with instrument identification. Link each result to its measurement location and method. Mark temporary arrangements and incomplete tests clearly instead of mixing them with accepted operating results.
Review and acceptance
Agree which results form the accepted baseline and retain the settings used to obtain them. At later maintenance or process changes, compare like-for-like conditions. Where the original condition cannot be reproduced, document the difference before interpreting a changed reading.
FAQ: Should new-filter condition be recorded?
Yes. Filter condition is part of the context for future airflow and pressure comparisons.
FAQ: Who keeps the final baseline?
Assign an owner and include the approved record in the operating handover file.
Technical sources and editorial note
Independently written from the archived topic in [1], with related engineering context checked against [2]. The survey, purchasing and review steps are editorial guidance; project-specific requirements need confirmation. Existing photographs are equipment references. Editorial review updated 1 November 2026.
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Use this guide to prepare for an equipment discussion. Confirm selection and operating requirements against your actual process and site conditions.