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RE: Conductivity meter vs. TDS meter

Re: Conductivity meter vs. TDS meter ** From: Brian Ahmer
 ** Sent: Wednesday, January 09, 2002 10:14 PM

> As far as I understand, they are the exact same thing EXCEPT that they
>  have different scales.  All the meters do is read conductivity and then
>  multiply by a constant ...

This is correct. A useful page for conversions and calibrations:


Also, keep in mind that the measurement of "TDS" as expressed in ppm NaCl
provides easy evaluation of osmotic shifts...


David A. Youngker

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