..until you ask them a meaningful question they can't answer because any
answer contradicts their claims. Then you get silence.
Here's one where 1 microsiemen is 2 microsiemens or 2 is one.
I've bought 2 PWT meters over the course of 4 years and they both read the
same in the calibration solution as does the Dist1 PPM meter I previously
bought from Hanna years before either one of the PWTs, considering its
limit of resolution.
I ask the techies at Hanna via email....
Are the meters calibrated at the factory? [no answer]
If they are, it's very consistant. Congratulations on a good job. [Thank
you!]
If they're not and you don't clearly say so.... negligence. [no answer]
Is the calibration solution you buy an accurate way to calibrate them? [yes]
OK, why is there an almost 50% discrepency? Which setting is the correct
setting? They can't both be correct. [ Idiot! You shouldn't ask that
question]
Incidently, there's a temperature chart on the calibration solution
bottle...but the meters are supposed to be temperature compensated. No big
deal in the face of the fact that none of the numbers on the chart even
come close to the factory setting.
60% one way and 40% the other way still begs the same major initial
question that must be answered before the next minor question is asked.
So, I still use the factory setting because most people don't buy the $11
[plus shipping] calibration solution trusting the factory to send an
accurate instrument or at least clearly state that it is not accurate and
needs calibration, the factory setting is apparently very consistant over a
number of years and Hanna just won't tell me which is right...possibly
because any 'real' answer they CAN give is a catch 22 they can't look good
with.
If MY meter reads 50% higher than yours, we have nothing AT ALL to talk
about. We can't even compare meaningless numbers.
ie: If the calibraton sol is accurate..the meters aren't in spite of sales
promotion/ common sense manufacturing standards of precision
instruments..... and if the meters are shipped calibrated, the $11+
solution isn't worth a hoot.
..and if they do get their act together and go ahead and decide which is
which, they could very easily make an adjustment to one or the other but it
would reveal a million instances of incompetence in the past which they
would be morally if not legally obligated to straighten out by admitting
the error and sending a few hundred drums of free solution to every past
customer who would then have to adjust each and every reading in their
records...if the solution is accurate and the meter was miscalibrated at
the factory....or...send out new solution to everyone who had bought
solution in the past who would then have to change all their records.
..and notify how many others?
Can you say "infinitely cascading effects" ? [Idiot! You shouldn't ask
that question!]
Worst of all, the PWT is STILL the best meter available. It's extremely
repeatable and the resolution is good...but what do the numbers mean?
In the case of the homemade CSers. The numbers don't matter all that
much. Nobody is going to come to harm because of them one way or another.
There are absolutely NO dosing standards for CS out there that make any
sense at all.
The only conceivable answer to "how much?" is "As much as you feel you
should"...[It's nearly impossible to take too much.] ...especially when
99% of the people have no clue as to how strong what they have is
regardless of how the generator maker told them to "time" their batches.
[Timing an uncontrolled generator simply doesn't work..at all. It's like
predicting the velocity of a rock at impact when dropped from an unknown
height that varies by a thousand feet]
Meters will , at least, give you repeatable batch references and even a
cheap PPM meter is good enough for that, but they won't give you anything
to argue about with someone else.
We aren't going to sue Hanna for giving us a straight answer and maybe a
correction factor.... if not new calibration solution. We don't even "have"
to know..it would just be nice.
Out of curiosity..
Those folks who make their own measurement 'cells' based on mathematical
calculations and a multimeter...how do your numbers compare to a factory
calibrated PWT?
Ode
They will be glad to explain the working of these meters too...
Regards to All,
Alexander J.Federowicz
----- Original Message -----
From: <mailto:[email protected]>Jean DeMasters
To: <mailto:[email protected]>Silver List
Sent: Thursday, June 05, 2003 6:08 PM
Subject: CS>RE Distilled Water, reply to "Ole Bob"
Hi "Ole Bob",
Thank you for answering. The post I read before warns that CS should not
be made without a ppm/tds meter, because DW has to be verified genuine or
you will end up making Silver-Chloride. Is this true?, and if so is the
internet the only place you can buy a meter? I also read that CS should
not be taken with any food or liquid and that you should wait several
hours before you eat or drink anything. Does that include water too?
Thank you for your insight,
Jean
Do you Yahoo!?
Free <http://us.rd.yahoo.com/mail_us/tag/*http://calendar.yahoo.com>online
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