For people who are testing water, a difference of 10 or 20 uS probably
isn't going to kill em.
Nor will it harm us...BUT [doesn't help us much in what we're trying to do.]
 The water people are probably not trying to compare water readings to
something else or add/subtract anything to thier water where the reading is
not compared before/after to get a uS gain or decrease.

..and if they were, how would they know?

It would seem that us IESers are every instrument makers nightmare. :-)
[We have some idea that we should be getting something specific and what it
should be.]
Ode


 

At 10:47 AM 10/11/2003 -0400, you wrote:
>url: http://escribe.com/health/thesilverlist/m63382.html
>Re: CS>Measuring very high ppms
>From: Ode Coyote
>Date: Sat, 11 Oct 2003 07:08:22
>
>Ken,
>
>Thanks you for some very important information on PWT problems.
>
>My turn. All I can say is WOW. 
>
>I got hints of PWT problems from reading the archives, but nothing 
>concrete and definite as you have shown.
>
>No one should be offended. You are not attacking anyone. You are simply 
>stating the truth. If you get a bad response, then that person simply 
>doesn't care about their responsibilities.
>
>The PWT seems to be the only inexpensive method of measuring uS. If you 
>are experiencing problems of this magnitude for single ion species, what 
>kind of problems are the people having who measure water quality?
>
>That's the stuff most people drink, you know:)
>
>I think you are starting to open Pandora's box. That's good. It's time.
>
>Best Regards,
>
>Mike Monett
>
>
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