Water coolant temperature?

jacob1995knight

jacob1995knight

jacob1995knight

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Hello water cooling people

Got a question, those who have the ability to monitor there coolant temperatures within there system, can you please throw me some results :D

1. CPU & speed
2. GPU
3. What radiators and fans + speed
4. Coolant temperature


As i just finished my new build HERE

I want to see what the average system temperatures are + coolant temperatures over the variety of water cooling systems.

My current setup is:

1 x 240mm EK Coolstream Radiator
1 x 360mm EK Coolstream Radiator
1 x 480mm EK Coolstream Radiator

18 x Cooler Master JetFlo white led fans (running at 700rpm)

Currently my system (at 4.5Ghz) is running the following on all 4 cores (I5 2500K)

26
29
27
31

With two R9 290X overclocked 100Mhz on memory and 50Mhz on clock speed

29
31

Im still very curious about my coolant temperature sensor (Barrow) as when i start the system it holds at around -4.6c??? but when i game, it holds at around 5.0c :D

Thanks, hope to see some results soon
 
Unless your in the arctic i cant see how that is correct. Watercooling unless using a chiller can never cool sub-ambient meaning the lowest it can go is the temperature of the room.
 
What are you using to read the sensor?
they're just variable resistors, if the reading hardware/software is expecting 10k at 20 degrees and the barrow sensor has 10k at 10 degrees you'll be getting odd results.
you need a known temp, use the sensor then apply an offset.
 
stuie said:
Unless your in the arctic i cant see how that is correct. Watercooling unless using a chiller can never cool sub-ambient meaning the lowest it can go is the temperature of the room.
Click to expand...

Not true. It depends on how you have it set up. My water temp is always below room ambient as my rads are in a box on a windowsill sucking in the colder air from outside. My water temp is currently 11.5 degrees. The lowest I have had it is 4.2 degrees with silly cold outside temperatures which mean I barely have the window open. No I don't suffer from condensation before anybody says it. For some reason in the 10-11 years I have been running like this I never have.
 
pastymuncher said:
Not true. It depends on how you have it set up. My water temp is always below room ambient as my rads are in a box on a windowsill sucking in the colder air from outside. My water temp is currently 11.5 degrees. The lowest I have had it is 4.2 degrees with silly cold outside temperatures which mean I barely have the window open. No I don't suffer from condensation before anybody says it. For some reason in the 10-11 years I have been running like this I never have.
Click to expand...

You're not using ambient room air to cool your rig so your situation doesn't disprove what he said.
 
Those do seem a bit off...

I have an xspc probe just after my rads and the max it reaches is 40°C.

i5 2550K @ 1.365v
780 @ 1.2v
1 alphacool nexxxos st30 240mm
1 xspc rx360 v2 360mm
8x Arctic cooling f12s @ 900rpm

2550K gets to 70C when the water is 40C.
780 gets to about 53 in the above situation.
 
Those component idle temps look about right in a room around 20-25C

Your fluid temp is wrong though, unless your rig is placed in a fridge or outside
 
Random related question

I never added a temp sensor to my loop,can i assume when at idle my water temp is probily within 3-5c of my CPU socket temp?

For instance it idles around 20c,most the time.If i do soem heavy gaming for say 4-5 hours,then go back to idle at the desktop my idle cpu socket temp will be 25/26c,and slowly decreace to a base line of about 20c

Can i assume my water temp varies in the 18-28c range?(roughly)
 
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Ok, thanks for the replies so far guys, time to break it down :D

My temperature sensor is straight after the triple radiator in my loop (using a bitspower 360 block) from the Barrow temperature sensor, it goes straight into an XSPC white LED temperature display, that is powered from a 4 pin molex, so there is nothing that could effect this?

My room is 17.c and all fans are set to low, could it be a dicky sensor? i really hope not as its *brand* new, less then 8 days old now?

Or is it due to the placement of the sensor? - RES > 240mm > 360mm > sensor?

Thanks
 
My loop was built before all the custom kit came out so I can't comment on newer stuff. I had a probe in my res for water temps.

Flow was Res > Pump > CPU > Rad

I used a Sierra heater matrix for the Rad, plastic box for the Res and a DangerDen Maze heatsink for the CPU all pumped round by a Eheim 1250 fish tank pump. Ran perfectly for 5 years :)
 
jacob1995knight said:
Ok, thanks for the replies so far guys, time to break it down :D

My temperature sensor is straight after the triple radiator in my loop (using a bitspower 360 block) from the Barrow temperature sensor, it goes straight into an XSPC white LED temperature display, that is powered from a 4 pin molex, so there is nothing that could effect this?

My room is 17.c and all fans are set to low, could it be a dicky sensor? i really hope not as its *brand* new, less then 8 days old now?

Or is it due to the placement of the sensor? - RES > 240mm > 360mm > sensor?

Thanks
Click to expand...

Well, like I said, different sensors record different resistance.
The sensor might be faulty, but as they're different manufacturers they might just be expecting a different value.
If there is no way to apply an offset then that sensor might not work with that display
 
GiraffePencils said:
Well, like I said, different sensors record different resistance.
The sensor might be faulty, but as they're different manufacturers they might just be expecting a different value.
If there is no way to apply an offset then that sensor might not work with that display
Click to expand...

Hmmm yeah.... its at 10.1c now however, i turned the connector 180 and plugged it back in, seems to have gone up via doing that?
 
After doing some testing, i can pretty much confirm that the temperatures are accurate at the moment, as i have just played PlanetSide 2 for an hour, maxed everything, temps got up to 59 -60 on GPU ( coolant went up to 18.c)

Im pretty sure that due to the sensor being after 1 240mm radiator as well as 1 360mm radiator, the coolant is going to be pretty cold, i mean, its straight after the rads? so its going to be cold is it not?

im still not 100% sold however.......
 
GiraffePencils said:
it sounds reasonable.....
room feel like it's a few degrees of that?
Click to expand...

I think so yeah :confused: Got the room down to 14 - 16.c with the window open fully? temps are around 21 - 25.c at 4.5Ghz...

Coolant now at 11.3.c

Im pretty sure its correct now, as well, its right after two large rads? that are supposed to cool the coolant :D so yeah i think its an accurate temp, still dont know why it was as low and some times minus degrees? lol.....
 
If you are saying that your coolant is reading 10c lower than your room temp then something is wrong. The very best your rads can do is cool your water as low as room temp. In 99.9% of situations coolant will be 1 or 2 degrees above room temp at idle, and under load it will be higher than room temp by a few degrees at the very least.
 
jacob1995knight said:
After doing some testing, i can pretty much confirm that the temperatures are accurate at the moment, as i have just played PlanetSide 2 for an hour, maxed everything, temps got up to 59 -60 on GPU ( coolant went up to 18.c)

Im pretty sure that due to the sensor being after 1 240mm radiator as well as 1 360mm radiator, the coolant is going to be pretty cold, i mean, its straight after the rads? so its going to be cold is it not?

im still not 100% sold however.......
Click to expand...

No. Your coolant isn't going to be 18degrees regardlessof where it is in that situation. Your sensor is faulty or is incompatible with the display.
 
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