Watercooling Temp Probes, flow meters, etc...

[tok3n]

Has anyone seen Watercooling Temp Probes, flow meters, etc?

Things that would give relavent info w/o restricting flow or causing other problems?

[darksaint]

you could go to a plumbing store.

[lechumbl]

Hi Tok3n,

Go to D-Tek website.
They have temp probes, flow meters, and pressure gages..

http://www.dtekcustoms.com/subcatmfgprod.asp?0=207&1=219&2=-1&6=1

Take care.

[ralf_c]

hi tok3n

like lee mentioned dtek has the temp and preasure gages. i am not sure abot the flow meter. the best flow meters that i heard of are by a company called king instruments

[Turbokeu]

My flowmeter is a Swissflow SF800 (see here) (http://www.swissflow.com)

http://www.turbokeu.com/mycomputer/sf800/pict0115.jpg
That's it! Gives an output signal between 50 and 2000Hz for a flowrate of 0.5 to 20 liter/minute (the newer model on Swissflow's site can measure from 0.3 liter on)

http://www.turbokeu.com/mycomputer/pc-70/pict0156.jpg
Mounted on my Eheim 1250

http://www.turbokeu.com/myprojects/flowmeter/pict0065.jpg
Lian Li bezel with on the left my (fake) CPU speed indicator, and on the right the DIY digital flowmeter that displays the output signal of the SF800.

http://users.skynet.be/turbokeu/mycomputer/pc-70/pict0189.jpg
Up and running! My actual flow is between 4.39 and 4.41 liter/minutes.

CD :)

[Player0]

Wow. But can I get one here? :)

[darksaint]

HOLY CRAP!
thas is cool.
To bad i haven't put electronic components on a board in like 5 years.

If i could remember i would do that.

[Player0]

I've contacted the company. They dont have a US distributer, but I think I can order stuff directly.

[Turbokeu]

Originally posted by Player0
I've contacted the company. They dont have a US distributer, but I think I can order stuff directly.

A guy named jimanny in this thread (http://forums.procooling.com/vbb/showthread.php?s=&threadid=6874) at Procooling told me he could have one from Swissflow for about 75$.

CD :)

[volse]

Hey Tok3n..I dunno if you have seen these before but overclocker's hideout sells 1/2" in-line temp probes...all set up so you can plug em' right into your Digidoc or whatever...And they're chrome..........YUMMMMMMY...Peace:alienbird http://www.overclockershideout.com/

[Think]

I have the exact same digidoc bay in my tower. What a great idea, now to find one that works for a 1/4" inlet:)

[Staudie]

Just found these guys... small flow meters in the US


www.malema.com

Also;

www.koboldusa.com

[Turbokeu]

Originally posted by Staudie
Just found these guys... small flow meters in the US


www.malema.com

Also;

www.koboldusa.com
The second one seems OK.
The Kobold DRS-0380N20K000 version
(Noryl plastic, 3/4" connections, 6-16Vdc, NPN open collector output) seems particularly suitable, I like especially the 3/4" connections (should be less restrictive than my 3/8" Swissflow).

0.6 to 10.5GPM = 2.2 to 40 liter/minute.
Output frequency = 400Hz at 40 liter/min, it means 10Hz/liter with a resolution of 0.1 liter/min. (the Swissflow SF800 has a resolution of 0.01 liter/min)

Since flowrates in common WC setups are under 10 liter/min it gives us a output frequency under 100Hz.
I'm not sure a mobo fan connector likes such a low frequency as fans put out a much higher frequency.

With a 3-digit digital counter you could display 02.2 to 40.0 liter/minute (see my digital flowmeter (http://www.turbokeu.com/myprojects/flowmeter.htm) project).

Do you an idea about the price?

CD :)

Edit: There's even a belgian distributor!

[Think]

Nice work Turbokeu

Well, I'm looking for a 1/4" flow meter to hook up to my exisiting digitaldoc bay.

[Staudie]

Well, I'm looking for a 1/4" flow meter to hook up to my exisiting digitaldoc bay.

Think.... check the www.malema.com link they have a MW-820 that is 1/4"

[Turbokeu]

Originally posted by Staudie
Think.... check the www.malema.com link they have a MW-820 that is 1/4"
Yeah but it has a max flow rate of only 1.25 liter/min in 1/4" connection.
Even the 3/8" has a max flow of 5 liter/min.
Too low for a common WC setup, or it should be a very restrictive setup or with a very weak pump.

CD :)

[Think]

What type of flow rate rating should be used then?

[Turbokeu]

Originally posted by Think
What type of flow rate rating should be used then?
Depending of your WC setup I would say a max flow rate of 10 to 20 liter/minute.

In my setup (with a Eheim 1250, two WB's, cube rad and quite a few 90° elbows I measure a flow rate of 4.39 to 4.41 liter/minute.

In less restrictive setups with a high flow pump you could excess 10 liter/minute.

Initially I developped my flowmeter (http://www.turbokeu.com/myprojects/flowmeter.htm) schematic and PCB layout for a 00.0 to 99.9 liter/minute display.
Since in practice I measure a flow rate below 10 liter/minute through my setup, I modified the schematic and PCB to display 0.00 to 9.99 liter/minute (not yet updated on my webpage) otherwise the first digit would have no sense.

I have to say that the 0.01 liter/minute resolution is possible in my case because my Swissflow SF800 sensor gives an output signal of 100Hz/liter (between 50Hz (=0.50 liter/min) and 2000Hz (=20.00 liter/min)) as opposed for example to the Kobold sensor mentionned earlier which gives an output signal of 10Hz/liter.

CD :)

[Think]

Unfortunately, there are no flow rate specifications for the Koolance, Exos, external WC system. They utilize twp small pumps that are encapsulated in a hardened plastic casing and submerged in the reservoir.

I've read several reviews and scanned the net for these specifications without any results.

Would it be safe to assume that a flow rate meter in the range of what you have mentioned (a max flow rate of 10 to 20 liter/minute) is not overrated for such small pumps?

[Turbokeu]

Originally posted by Think
Unfortunately, there are no flow rate specifications for the Koolance, Exos, external WC system. They utilize twp small pumps that are encapsulated in a hardened plastic casing and submerged in the reservoir.

I've read several reviews and scanned the net for these specifications without any results.

Would it be safe to assume that a flow rate meter in the range of what you have mentioned (a max flow rate of 10 to 20 liter/minute) is not overrated for such small pumps?
Surely not...
My Swissflow sensor is rated for flow rates from 0.5 to 20 liter/min, although my actual flow rate is only 4.4 liter/min.
Every flowsensor has a certain degree of flow resistance, depending on its inner diameter and rotor friction, and which is also function of the actual flow rate (higher flow rate=more flow resistance), so I can state that it's better to use an "overrated" sensor and use it in its lower range to minimize these flow losses.

CD :)

[Player0]

Thats a great looking digital sensor you made there Turbo...did you base it off a schematic from SwissFlow or did you come up with it your self?

Want to lend it to me for the waterblock review I am trying to do? Hehe... I need a good flow meter for this test. I cant seem to get a decent one around here, and I dont have time to make my own controller, apart from using my DMM to read the frequency hehe.

[Turbokeu]

Originally posted by Player0
Thats a great looking digital sensor you made there Turbo...did you base it off a schematic from SwissFlow or did you come up with it your self?

Want to lend it to me for the waterblock review I am trying to do? Hehe... I need a good flow meter for this test. I cant seem to get a decent one around here, and I dont have time to make my own controller, apart from using my DMM to read the frequency hehe.
Thanks,
Not at all. It's based on the 74C925 application notes from National Semiconductor.
I just adapted it to suit my specific application (I'm an electronic engineer or am I not? :D )

I'm very pleased with my Swissflow, it gives me accurate measurings, although I have the feeling it adds quite a lot of flow resistance to my setup, considering its internal diameter of about 9mm (or 3/8")(the rest of my setup is 1/2").

I would lend it to you without a problem, unfortunately it's (not permanently) glued to the Eheim 1250 outlet with Rectavit glue...

CD :)

[Player0]

Yeah, i heard the swissflow was very restrictive.

Well, trying to find another solution in the states here. Anyone know of any stores selling these online? needs to be 1/2"

[spldart]

Oh! Now I'm dying to build that bish :cool3:

[Think]

How about this unit then?:

http://www.koboldusa.com/products_detail.asp?tmplt=1&cntrl=1&pgID=1&ptID=53&pID=156&pmp=DPL&ptName=Paddle+Wheel+%26+Pelton+Wheel

[darksaint]

NICE!