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How can we know our case air pressure? - Page 2

post #11 of 16
Quote:
Originally Posted by AMD4ME View Post

This doesn't work well as the actual fan flow into or out of a PC case can be much different than the (theoretical), advertised fan free air flow depending on numerous factors affecting flow.

I guess, but as long as you have more intakes than exhaust you'd end up with positive pressure.
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post #12 of 16
Quote:
Originally Posted by Costfree View Post

I guess, but as long as you have more intakes than exhaust you'd end up with positive pressure.

Possibly but there is no guarantee. That's why you test to see. wink.gif
post #13 of 16
Quote:
Originally Posted by JustAddict View Post

Numerous factor?
Such as?

Grills, dust filters, HDD cages, etc.
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post #14 of 16
Thread Starter 
Quote:
Originally Posted by InfernoReaper View Post

Grills, dust filters, HDD cages, etc.

oh i c....
i think Costfree was right, as long as you have more intakes than exhaust you'd end up with positive pressure thumb.gif
Quote:
Originally Posted by Costfree View Post

I guess, but as long as you have more intakes than exhaust you'd end up with positive pressure.
post #15 of 16
Put a small piece of tissue paper to the vents. If the paper blows away, that is positive pressure. If the paper sticks then it is negative pressure.
post #16 of 16
Thread Starter 
Quote:
Originally Posted by Riou View Post

Put a small piece of tissue paper to the vents. If the paper blows away, that is positive pressure. If the paper sticks then it is negative pressure.

I've known this and write it on my first post
Is there any other way?
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