For the benefit of all our new people on the list.
Bless you Bob Lee
--
oozing on the muggy shore of the gulf coast
[email protected]
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Greetings all you CS makers and users.
Was reading the postings of Ringdance on Wed 1 Apr, and Fred on 2 Apr
about their TDS-1 testers.
Someone has passed on the idea that the TDS-1 is a conductivity
measuring tool. Its *NOT* a conductivity tester. I also thought it was,
until I ran some tests on it. Then I called Hanna Inst. Tech service to
get the straight scoop on it.
It measures IONIC CURRENT,only. If the fluid has a lot of particles in
it and some are charged (ionic) and some are not, it will only read the
charged ions.
The TDS-1 probes are BOTH stainless steel and there fore will NOT
produce an electric potential . The TDS-1 does NOT apply any electric
potential to the probes. I have read the probes with a volt meter on the
4 micro volt scale and its reading zero.
When the TDS-1 is placed into an ionic solution the emf (electromotive
force) of the ions will cause a current to flow between the two probes
which is measured and displayed as PPM of IONS.
Reagents and other "calibration fluids" are really used to precipitate
unwanted things out of the fluid.
When I first recieved my TDS-1 I tested it in pure distilled water as
reading 001ppm and then put the test fluid into storage for future
testing of its (TDS-1) calibration.
Since I go to great lengths to make sure nothing is in my CS , only
pure H2O and single atoms of ionic silver, the TDS-1 will measure only
the SINGLE ATOMS OF IONIC SILVER in my CS. I am going to make a posting
on how I do this.
This TDS-1 is probably more accuate than the lab tests you get with
all their reagents etc. The TDS-1 *IS* a lab test instunment. An
airplane pilot I know said "if you can`t trust your instruments your in
trouble".
Remember it reads IONIC CURRENT not conductivity.
Now lets have some fun with it.
Run some cold water from your kitchen faucet into a ceramic coffee
mug. Read it--mine reads 233ppm. About normal for city water. Now dump
it out and put in some warm water. read it--mine jumps up to 350ppm and
the reading slowly drops as the fluid cools and the mug warms up .It
will stabilize about 320ppm as the temperature equalizes between the
water and the mug and everything is warm.
Now dump it out and put in some real hot water from the faucet.
read it--mine reads 460ppm and slowly drops as the temperature of the
water and mug equalize, down about 327ppm , let it stand and cool awhile
and it will keep dropping to the cold water reading or close to it,
about 270ppm or so . Your reading will be not the same as mine since
your city water is not the same as mine.
Took some water from my "Brita" water filter. Reads 341ppm after going
thru the ACTIVATED charcoal filter. It removes lead and copper by
chemical action. They are poison to us. Also created a lot of ions by
catalytic action. Not silver ions however.
Went to a friends well out in the country and got a reading 006ppm
from his water (It tasted good).
Ions are CREATED by heating,by flow in METAL pipes ,by contaninates,
by pollution of the water, by water heaters, BY electric current, by
flames of burning, by radiation,by catalytic action etc..
All we want to do is measure the ionic current CAUSED by passing
electricity thru pure water with silver electrodes and read it as PPM of
IONS (silver ions) . That is what the TDS-1 does.
The other day I opened up a new jug of distilled water and found it
read 003ppm ,wondering if it was the water or the tester, got out my jar
of calibration water (remember me putting that away at the beginning of
this posting) I stuck the tester in it and it read 001ppm. Great ,now I
know the tester is OK and the distilled water is not quite pure. I`ll
just subtract the BASELINE 3 from my CS reading after makeing my CS, its
real simple. Just be SURE you don`t get any thing in your CS except pure
H2O and SINGLE ATOMS of IONIC SILVER. More on that soon.When my TDS-1
reads 20ppm in my CS I know its 20ppm of SINGLE SILVER ATOMS in the
IONIC state.
Thanks for taking the time to read this and keep on doing whats good
for your selfs. Bless you all.
Bob Lee
dont cuss the farmer with your mouth full
--
oozing on the muggy shore of the gulf coast
[email protected]
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