Originally posted by Bartacus
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I did a bit of research and found an interesting thread on the Aquacomputers forum. (Linked below) In a nutshell, they say that different fluid and additive manufacturers have different acceptable conductivity limits, depending on how their fluid is made. You can set your own "quality" limits within the Aquasuite tool if you choose, based on the fluid you're using. As I understand it, the main point of the tool is to alert you to extreme swings from whatever your base-line ends up being for the fluid you choose to use.
In my case, the default baseline out of the box was that anything lower than 50 uS/cm is considered 100% quality. Once the reading goes above 50, the quality begins to decline and eventually hits zero at 95 uS/cm.
They also mention that your water temperature will also impact the reading slightly. (The higher your water temp, the lower the reading will go and vice-versa) So you have to adjust the limits with that in mind as well.
All that said, from what I've learned, it sounds like I have nothing to worry about. Pure distilled water will show a low reading, as that's what the sensor is calibrated for. When you add a concentrate or additive, that is going to show a higher reading, simply because you are changing the purity of the distilled water. In that case, it not necessarily bad, it's just different than pure distilled water.
As Danny & Section31 allude to, I think the value will be in the long term. IE if your baseline suddenly changes drastically, it will give you a hint that something has caused your loop to change, or it's simply time to flush and put new coolant in.
Cheers,
Mack
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