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Inline temp probe

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BlackMack

n00b
Joined
Mar 7, 2005
Messages
24
Is there an inline temp probe I can pit in my water cooling to take the temp of the water. I see Thermaltake has one but the ID of it looks kinda small for a 1/2 ID line. Kinda afread that it will bottle neck my water line.
 
Mack,
I don't know if you can buy one but you could make one pretty easily. Just get a brass double-ended hose barb. It's for connecting two hoses together, and put a thermistor or such in contact with the metal. Cut a tube where you want to take the temps, insert the barb and the thermistor will let you read the temp.

The metal of the barb will get really close to the same temp as your coolant, probably closer that 0.2/0.5 degF.

If you want to make it really nice then put a hole in the barb and suspend the temp probe in the coolant... make sure that you seal it well though.
 
BlackMack said:
Is there an inline temp probe I can pit in my water cooling to take the temp of the water. I see Thermaltake has one but the ID of it looks kinda small for a 1/2 ID line. Kinda afread that it will bottle neck my water line.
Click to expand...

Source for an inexpensive water temperature LCD with 1-in long metal probe
http://www.techinstrument.com/PanelWallMountindex.html
Note, website does not show their entire stock/selection, call their 800 number.

MX-MDP300PP Digital Panel Meter
Thermometer Specs:
Range: -50C to 150C
Resolution: 0.1C
Accuracy: +/- 1C
Color: Black
Power source: (1) LR44 Battery - supplied
Digit height: 1/2-in
Dimensions: 1.9-in W x 1.1-in H x 0.6-in D
Probe Cord length: 40.5-in
On/Off switch, C/F switch and battery access in rear
Unit “snaps” into a ~1.80-in x ~1.00-in Panel Cutout
Price: $16.95

Epoxyed metal probe into 1/2-in OD plastic tee and positioned at input side of water block. When secuing the probe in the tee, expose the maximum probe surface area to the solution. Also, do not allow the probe tip to penetrate the flow path.
 
Another way to make a temp probe is to get a 1/2" T fitting. Get a regular temperature probe, dip it in some epoxy (because the probe itself will short out if it gets wet). Stick the probe in the T part of the fitting and seal it up.
 
Erasmus354 said:
Another way to make a temp probe is to get a 1/2" T fitting. Get a regular temperature probe, dip it in some epoxy (because the probe itself will short out if it gets wet). Stick the probe in the T part of the fitting and seal it up.
Click to expand...

If you coat a thermister, your inducing inaccuracies in it's ability to read correctly. That was the primary reason for finding a metal-tiped probe.
 
Top Nurse said:
Both Aqua-Computer and Innovatek make what you are looking for.
Click to expand...

If your utilizing a 1/2-in system, you will probably find that both of these sources are restrictive and quite costly as compared to a $17 LCD/metal probe and a little time.
 
Well with the Innovatek unit you first unscrew the copper probe unit from the fitting. Then you drill and tap a suitable connector of your choice and you have the best of both worlds. Or conversely you could just drill and epoxy it in to a suitable part. The copper probe sits in the coolant stream and is very accurate.

You can pick up an Aqua-Computer Aquaero LT unit for about $175 that will measure 6 temps, control 4 fans, make your bed, and do a host of other stuff with the included software. :p
 
You can pick up an Aqua-Computer Aquaero LT unit for about $175 that will measure 6 temps, control 4 fans, make your bed, and do a host of other stuff with the included software. :p[/QUOTE]

I would hope so at that price.
 
Cost is a relative concept. Some people think a $1,000 computer is pricey.

PSU => $250
Case => $250
CPU => $350
RAM => $400
MB => $200
GPU's => $400
HD's => $500
Opticals => $200
H20 => $500
RAID => $300
Monitor => $500
Mouse => $75
Sound => $200

Aquaero LT....cheap :D
 
DNA said:
If you coat a thermister, your inducing inaccuracies in it's ability to read correctly. That was the primary reason for finding a metal-tiped probe.
Click to expand...


Not really, unless you have another path for heat to transfer between the thermistor and the outside world (this shouldn't be the case). Coating it should really only cause a slight delay in reading temperature changes. However, your water temp shouldn't be changing at a rate that would make this noticable.
 
as zer0signal said, a thin layer of epoxy will not induce inaccuracies in the thermometer...only a very thick layer, and even then, it would only make the thermistor reading slower to react to changes in temperature (if left to sit long enough the epoxy will become the same temperature as the water)
 
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