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How to test?

post #1 of 13
Thread Starter 
I want to start a fan collection. (buying them if they are cheap biggrin.gif)

when i get some fans, how will i test their speed, noise, and such?

i know i can put them into in my PSU, but i dont want to keep switching around in my rig.

i know i can buy a new cheap 200w psu, but then ill have to use a 3pin/4pin to molex and the fan will run at 100% speed.


so how would i do this?
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post #2 of 13
Basically, it would take a couple of thousand dollars in test equipment to determine:
CFM
Pressure
RPM
Noise
Current draw

Without CFM and pressure, you basically know nothing about how a fan will perform.

Of course you could just mount the fan(s) on an air cooler and measure temps, but then you'd only have comparison results, not absolute performance data ie your results would be good for your setup and wouldn't necessarily transfer to how the fan would perform in someone else's setup.
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post #3 of 13
Quote:
Originally Posted by billbartuska View Post

Basically, it would take a couple of thousand dollars in test equipment to determine:
CFM
Pressure
RPM
Noise
Current draw

Without CFM and pressure, you basically know nothing about how a fan will perform.

Of course you could just mount the fan(s) on an air cooler and measure temps, but then you'd only have comparison results, not absolute performance data ie your results would be good for your setup and wouldn't necessarily transfer to how the fan would perform in someone else's setup.

I'm just curious, which one of those variables requires the thousand dollar test equipment to measure?
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Sabertooth
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post #4 of 13
Quote:
Originally Posted by axizor View Post

Quote:
Originally Posted by billbartuska View Post

Basically, it would take a couple of thousand dollars in test equipment to determine:
CFM
Pressure
RPM
Noise
Current draw

Without CFM and pressure, you basically know nothing about how a fan will perform.

Of course you could just mount the fan(s) on an air cooler and measure temps, but then you'd only have comparison results, not absolute performance data ie your results would be good for your setup and wouldn't necessarily transfer to how the fan would perform in someone else's setup.

I'm just curious, which one of those variables requires the thousand dollar test equipment to measure?
LW-9266 Fan PQ Performance Measurement Apparatus
http://www.longwin.com/english/product/9266.html

As billbartuska said, an air cooler or water cooing radiator can be used with some hand held equipment to get performance readings. But they can only be compared to other fans tested on same setup.

MartinsLiquidLab tests this way
http://martinsliquidlab.org/?s=airflow+and+pressure
post #5 of 13
Thread Starter 
guys guys, when i used the word "test" i didnt mean it in such a theoretical way.


I just meant how can i test to make sure that
1) the fans are working first of all
2) Test RPM increase levels
3) make sure its not to loud when i raise RPM.
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My Rig
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CPUMotherboardGraphicsRAM
I5 4670 H81m P33 MSI GTX 760 Hawk G Skill Ripjaws x series 2x4 
Hard DriveOptical DriveOSMonitor
WD blue 1TB Samsung dvd burner SH-224DB/BEBE Windows 7 Asus VN248H-P 
PowerCase
Rosewill Capstone 550w Corsair carbide 200r 
CPUMotherboardRAMHard Drive
Pentium G3220 MSI H81m-P33 G.SKILL Sniper Series 4GB PNY XLR8 SSD 120GB 
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Cheapest Drive I Was Able To Find Windows 7 Corsair CX 450w NZXT Source 210 
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post #6 of 13
1) Plug them in and start your system. If fans spin they are working.
2) Depends on motherboard but most have software to adjust fan speed now.
3) Listen to the fan while using your system and keep raising the rpm. Is it too loud? If it is, lower rpm a little.
post #7 of 13
Thread Starter 
Quote:
Originally Posted by doyll View Post

1) Plug them in and start your system. If fans spin they are working.
2) Depends on motherboard but most have software to adjust fan speed now.
3) Listen to the fan while using your system and keep raising the rpm. Is it too loud? If it is, lower rpm a little.

whoops and i messed up again. sorry lol. ill clarify.


what im asking is,

what is the most efficient method to test my 3 questions?

cuz 1) i dont want to plug them into my rig every time i want to test out a new fan
2) If i buy a cheap PSU, that solves problem 1, but i cant test speed such.
3)same with 1 and 2. if i use PSU i cant test noise / speed. and dont want to keep plugging into my main rig
My Rig
(10 items)
 
   
CPUMotherboardGraphicsRAM
I5 4670 H81m P33 MSI GTX 760 Hawk G Skill Ripjaws x series 2x4 
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WD blue 1TB Samsung dvd burner SH-224DB/BEBE Windows 7 Asus VN248H-P 
PowerCase
Rosewill Capstone 550w Corsair carbide 200r 
CPUMotherboardRAMHard Drive
Pentium G3220 MSI H81m-P33 G.SKILL Sniper Series 4GB PNY XLR8 SSD 120GB 
Optical DriveOSPowerCase
Cheapest Drive I Was Able To Find Windows 7 Corsair CX 450w NZXT Source 210 
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My Rig
(10 items)
 
   
CPUMotherboardGraphicsRAM
I5 4670 H81m P33 MSI GTX 760 Hawk G Skill Ripjaws x series 2x4 
Hard DriveOptical DriveOSMonitor
WD blue 1TB Samsung dvd burner SH-224DB/BEBE Windows 7 Asus VN248H-P 
PowerCase
Rosewill Capstone 550w Corsair carbide 200r 
CPUMotherboardRAMHard Drive
Pentium G3220 MSI H81m-P33 G.SKILL Sniper Series 4GB PNY XLR8 SSD 120GB 
Optical DriveOSPowerCase
Cheapest Drive I Was Able To Find Windows 7 Corsair CX 450w NZXT Source 210 
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post #8 of 13
Sorry, but the only way to know it's performance is to install it and see... unless you plan to use the fan to blow air across the top of your desk. Fans sound and perform different when installed in case / on cooler than they do setting in the open.

Really, the only way to know how a fan will perform and sound in your system is put it in your system.
post #9 of 13
Thread Starter 
Quote:
Originally Posted by doyll View Post

Sorry, but the only way to know it's performance is to install it and see... unless you plan to use the fan to blow air across the top of your desk. Fans sound and perform different when installed in case / on cooler than they do setting in the open.

Really, the only way to know how a fan will perform and sound in your system is put it in your system.

but i can still get a feel of the noise, fan speed, and such by comparing each other and using a reference.
My Rig
(10 items)
 
   
CPUMotherboardGraphicsRAM
I5 4670 H81m P33 MSI GTX 760 Hawk G Skill Ripjaws x series 2x4 
Hard DriveOptical DriveOSMonitor
WD blue 1TB Samsung dvd burner SH-224DB/BEBE Windows 7 Asus VN248H-P 
PowerCase
Rosewill Capstone 550w Corsair carbide 200r 
CPUMotherboardRAMHard Drive
Pentium G3220 MSI H81m-P33 G.SKILL Sniper Series 4GB PNY XLR8 SSD 120GB 
Optical DriveOSPowerCase
Cheapest Drive I Was Able To Find Windows 7 Corsair CX 450w NZXT Source 210 
  hide details  
Reply
My Rig
(10 items)
 
   
CPUMotherboardGraphicsRAM
I5 4670 H81m P33 MSI GTX 760 Hawk G Skill Ripjaws x series 2x4 
Hard DriveOptical DriveOSMonitor
WD blue 1TB Samsung dvd burner SH-224DB/BEBE Windows 7 Asus VN248H-P 
PowerCase
Rosewill Capstone 550w Corsair carbide 200r 
CPUMotherboardRAMHard Drive
Pentium G3220 MSI H81m-P33 G.SKILL Sniper Series 4GB PNY XLR8 SSD 120GB 
Optical DriveOSPowerCase
Cheapest Drive I Was Able To Find Windows 7 Corsair CX 450w NZXT Source 210 
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post #10 of 13
Can use something like Zalman FanMate 2 3 Pin Single Fan Speed Controller. Asetek, Bitfenix, Fractal Design, etc. make PCI slot mounted controllers that are cheap.

Check ebay for "12v power supply". Get one that is at least .5 amp continuous load. 12v phone charger, etc will often work.
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