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TDS Meter....

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TDS Meter....

Post by Grimreefer on Thu 26 May 2011, 9:44 pm

OK. Got the new RO/DI unit. I have a question, what does the DTS readings need to be as a final output and, what does TDS stand for?

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Re: TDS Meter....

Post by matt_longview on Thu 26 May 2011, 9:47 pm

TDS=Total dissolved solids. If it's also got a DI, should be 0. If it doesn't have DI, usually less than 5. :-)
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Re: TDS Meter....

Post by Grimreefer on Thu 26 May 2011, 10:01 pm

it does. Its also a dual read meter. Thanks Matt.

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Re: TDS Meter....

Post by DonnieP on Fri 27 May 2011, 12:20 pm

Tony
The dual TDS meter is usually setup with one probe measuring the source water and the other after the di but, the way I figure it who cares what the source water is, I would put one probe after the membrane canister and the other after the DI canister, this way you know when your membrane is getting bad before it distroys the DI, My water tests 2 after membrane and 0 after DI. You need to monitor the output of the membrane because if it starts getting high TDS the DI has to remove more from the water and therefore exausts the DI much faster and the DI resin costs too much to be wasting for no reason. One probe after RO membrane one probe after DI resin.
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Re: TDS Meter....

Post by matt_longview on Fri 27 May 2011, 12:49 pm

DonnieP wrote:Tony
The dual TDS meter is usually setup with one probe measuring the source water and the other after the di but, the way I figure it who cares what the source water is, I would put one probe after the membrane canister and the other after the DI canister, this way you know when your membrane is getting bad before it distroys the DI, My water tests 2 after membrane and 0 after DI. You need to monitor the output of the membrane because if it starts getting high TDS the DI has to remove more from the water and therefore exausts the DI much faster and the DI resin costs too much to be wasting for no reason. One probe after RO membrane one probe after DI resin.

+1 Good stuff Donnie. :-)
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Re: TDS Meter....

Post by Grimreefer on Tue 31 May 2011, 10:04 pm

Thats how I set it up. I agree, I could care less about the source water. Everything is reading zero right now. Really like the new set up.

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Re: TDS Meter....

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