Doug wrote:

> Has anyone started building the CS generator per MGD's spec in the
> suggested protocol?  I'm collecting up the parts myself and should
> have an operating one within a couple of days. ... At this point
> have we agreed to go with Mike's protocol as it stands? 

I don't think we've got a concensus yet, though I think that will 
happen, Doug. Several questions and suggestions were offered, to 
which I responded. I don't know if they agree with me, as I haven't 
heard anything more! <grin>

> Also, I called Hanna back this morning and talked with their
> technical "specialist" about what I was trying to do and the
> functionality of the TDS-1 vs the DIST-1 and he absolutely asserts
> that the DIST-1 has a LOWER margin of error than the TDS-1 for a
> sample of a given concentration and it is definitely the preferred
> device for testing lower concentration samples. 

What is the price for the DIST-1? Do you have the URL of the page 
where they show it on their site?

I wouldn't be surprised if it was more accurate. If the price is 
reasonable I'd consider one myself. The good news is the TDS-1 is 
repeatable enough that, once calibrated, you'll be able to get 
reproduceable results from batch to batch. That's it's basic purpose, 
and I think it's good enough.

If a better instrument is available, then some may want to consider
it. I need to work up documentation of how to set up, test, and
calibrate a TDS-1 for the (still stalled) web site. I'd like to be 
able to add similar material for the DIST-1 when you get familiar 
with it.

> Another pledge for the fund today!!
> 
> For now the fund stands as follows:
...
>                                       Total to Date         $ 550.00

Way to go folks! Let's see if we can get a consensus on what to 
test...

Be well,

Mike D.

[Mike Devour, Citizen, Patriot, Libertarian]
[mdev...@mail.id.net                       ]
[Speaking only for myself...              ]


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