Knowledge center
ARCED Insights
Practical guides on critical power, cooling and security for facility managers, IT teams and building owners.
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Guides & Articles
- PACU vs Regular Aircon: What Your Server Room Really Needs
Why comfort aircon struggles in server rooms, and when a precision air-conditioning unit (PACU) is the better choice. - Battery Impedance Testing: Why a Voltage Check Is Not Enough
Why batteries that look healthy on a voltmeter still fail during an outage, and how impedance testing finds them first. - How Often Should a UPS Be Maintained?
A practical UPS maintenance schedule, what each visit should cover, and the warning signs that mean you should not wait.
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