I was reading that some people were considering uS as ppm for CS
Which had me think was my 15us brew a 7/8 ppm or 15. The variance is large and 
given the discussions of high ppm recently it got me even more interested.



On 12 Jan 2012, at 10:12, Neville Munn <[email protected]> wrote:

> Several variations to uS/PPM conversions but that's near enough for me 
> without laboratory analysis.  That's all I do, just halve it, and it's close 
> enough when comparing the 3 meters I use.  In the scheme of things with home 
> produced EIS what's a ppm or three anyway?
> 
> N.
> 
> > From: [email protected]
> > Date: Thu, 12 Jan 2012 09:47:51 +0000
> > To: [email protected]
> > Subject: CS>PPM vs uS
> > 
> > Hi,
> > 
> > I have been doing some more reading which has got me looking for a 
> > resolution, namely what uS do you consider to roughly figure out the PPM.
> > I know the reason why a typical ppm or uS meter would not give a reading 
> > due to the ions which we do want to measure not being very measurable in 
> > terms in electrical conductance.
> > But it there a rough method to measure from the stuff that does conduct.
> > What I am therefore asking is if my uS meter says 10 uS what ppm of CS 
> > should I consider that to be.
> > I have so far been halving the value so that I would have said that was 5 
> > ppm. This was from information I received from other posts.
> > Kindly help shed some light in this matter for me.
> > Cheers
> > Peace to all
> > Asif.
> > 
> > 
> > 
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