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Adhering temp sensor to water block

post #1 of 10
Thread Starter 
I want to put temp sensors on my gpu water blocks. My question is how to adhere them. I have plenty of thermal tape but I don't know if should stick the tape to the block and the sensor to the other side OR put just a minuscule dab of thermal compound on the block and then the sensor and thermal tape over that? How should I do it? Better ideas?
post #2 of 10
Thread Starter 
No help? Sadface
post #3 of 10
Quote:
Originally Posted by xxlawman87xx View Post
I want to put temp sensors on my gpu water blocks. My question is how to adhere them. I have plenty of thermal tape but I don't know if should stick the tape to the block and the sensor to the other side OR put just a minuscule dab of thermal compound on the block and then the sensor and thermal tape over that? How should I do it? Better ideas?
''stick the tape to the block and the sensor to the other side'' is not a good idea because the tape is now in between the sensor and the block. This will reduce slightly the accuracy of the measurement.

''put just a minuscule dab of thermal compound on the block and then the sensor and thermal tape over that'' is better but I am afraid that the dab of thermal compound might compromise the adhesiveness of the tape over time.

I just use a small piece of thermal tape to adhere the sensor onto the block without using any thermal compound. See the pic below showing the sensor on my CPU waterblock.

One word of caution:- the sensor is a very very pressure sensitive device. Do not hold onto the sensor directly. Hold the portion of wire directly below. And do not press onto the sensor directly when using the thermal tape to fix the sensor onto the block's surface. see diagram below.


Edited by windfire - 10/3/11 at 4:37pm
post #4 of 10
Thread Starter 
Since I CAN'T press on the sensor directly and as long as I make sure it doesn't ooze, I think some thermal compund would help ensure solid heat transfer for accurate reading. Or is this just overkill?
Edited by xxlawman87xx - 10/3/11 at 5:29pm
post #5 of 10
Quote:
Originally Posted by xxlawman87xx View Post
Since I CAN'T press on the sensor directly and as long as I make sure it doesn't ooze, I think some thermal compund would help ensure solid heat transfer for accurate reading. Or is this just overkill?
I would incline to say this is overkill as this does not belong to the category of having a CPU/GPU coming into contact with a waterblock.

But I suppose it would not damage anything if you really want to try.
post #6 of 10
Any particular reason to take the temp of the WB top?
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E IV
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post #7 of 10
Quote:
Originally Posted by mav2000 View Post
Any particular reason to take the temp of the WB top?
Well it wouldn't be wise to put it on the bottom....
post #8 of 10
Quote:
Originally Posted by kiwiasian View Post
Well it wouldn't be wise to put it on the bottom....
Why not? If you have enough surface on the bottom that's not in direct contact with the cpu, you'll get much more accurate readings from that than taking your measurement from the top of the block. You should not put it between the cpu and water block, though.
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Mr. Bubbles
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post #9 of 10
Thread Starter 
Quote:
Originally Posted by tippy25 View Post
Why not? If you have enough surface on the bottom that's not in direct contact with the cpu, you'll get much more accurate readings from that than taking your measurement from the top of the block. You should not put it between the cpu and water block, though.
It's a gpu specific block. The tolerances are tight. Don't wanna mess anything up
post #10 of 10
Thread Starter 
sorry for the DP but I finally took the time to put them on and I am look at temps of 27 and 28 on the block face and core temps of 29 and 28 respectively! Now I call that a success!

EDIT: it finally warmed up here a smidge....dangit....I was rather enjoying my 15-17c idle temps. Winter is on the way though!
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