They also say this.
"The purchase of a tester is not absolutely necessary since our
instructions and timing techniques can give a fairly accurate estimation of
strength, but it is a good investment to insure the exact potency of the
product being produced."
Using the generator they sell..which is not the same one they make the CS
they sell with...the above statement is inherently impossible unless you
happen to have the same batch of water at the same temperature that they use.
If you don't, the same end result can take hours or minutes longer or
shorter time. If you do buy the meter, you'll discover this.
Even with a generator that has current controls and voltage referencing
circuitry, the time it takes to make a given sized batch at the same PPM
can vary by 3 or 4 hours if different water is used.
The little water chart doesn't mention that.
It would be consistant with utopia to just tweek the meter to read
2x..and that's not "bad", but it's not exactly what the claim is either.
It's not made clear anywhere at utopia or anywhere else including Hanna
Instruments where the 1x comes from.
I'll just bet that untopias calibration solution is salt water that's been
adjusted to match one of the meters. That's probably not "bad"
either. What's in question is how the original meter is calibrated.
The point here is not to cut anyone down but to make a call for some
consistant starting point for all measurements that is testable and
repeatable between instruments...say, some given resistor value across
electrodes of a given area = x microsiemens????
All these methods can be OK if a starting point ...a bench
mark... is known and consistant, but the ways and means seem to be a big
secret where any single claimants results don't even agree with themselves.
Scrolling down doesn't offer any info...it just makes more claims with no
substance.
Maye if I write to Hanna tech again and ask only one question without
pointing out the discrepencies or asking any other questions that put them
'on the spot' , I'll get a straight answer without it's being inferred that
I'm just an idiot that shouldn't ask questions.
How are the meters calibrated at the factory? ..a loaded question akin
to "When did you stop beating your wife?" because then they'll actually
have to state that the meters are or are not calibrated at the
factory...but maybe they won't notice.
I've looked and looked at the Hanna material and can't find word one of
reference to factory calibration much less the method used.
Am I being blind? [Not impossible!!!..which is why I ask the next
question] Can anyone find it?
Inagine if everyone is basing their measurements on something that
doesn't exist...yet doesn't exist amazingly consistantly...a universal
constant drawn right out of a hat based on nothing.
..then being told by the same people that a 'real' constant does
exist...but it's not even close to the one out of the hat and they refuse
to tell you which is which...or even admit that a difference exists when
it's staring at you.
I think somebody made an error long ago, recently discovered but not
remedied because doing so would admit to the mistake, and it's being
covered up by denial and 'don't look' because dealing with the
ramifications could be corporate disaster.
If the obvious is true, somebody's in deep doo doo?
..and if it's not true, what is?
The what is , is the only part I care about.
Everybody makes errors.
If it's me, I want to fix it asap even if my face burns red and I wind
up em'bareassed. [caught with my pants down]
Ode
Joe....no need to yank at my pants just because your arms won't hold yours up.
At 09:31 AM 6/7/2003 -0500, you wrote:
I don't know what they used as a benchmark, all they say is "Our testers
are calibrated specifically for colloidal silver".
Go to: http://www.utopiasilver.com/accessories.htm and scroll down to the
TDS1 tester for more info.
Jim
Ode Coyote wrote:
It would be interesting to know what was used as a benchmark.
Apparently, some benches are of different heights and some look more
like counters.
I would trust a benchmark based on electrical conductivity of a known
[solid?] substance rather than some dubious liquid solution.
Typically a PPM meter will read half that of a microsiemens meter such
as the PWT.
Ode
At 06:21 AM 6/7/2003 -0500, you wrote:
My TDS -1 reads from 0 to 999 not 0 to 2000 and it is calibrated to
measure homemade CS.
Jim
The TDS-1 from Hanna Instruments is a good bit cheaper, but it reads
from 0 to 2000 ppm. You'll be using it at the *very* bottom of its
range, which means the accuracy will not be tremendous. Sorta like
measuring grains of sand with a yardstick. Do you see what I mean?
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