Evening Ode,
>> At 07:23 AM 6/16/2007, you wrote:
Are there any major differences in these meters.
PWT
TDS
EC
I think the PWT meter is mostly a sales gimmick name.
If you have pure water, why test it? Seems it should be simply called a
Water Tester Maybe the ranges are different.
I realize that people like you need a variety of good instruments.
Seems that 90 % of the CS makers likely don't use instruments and don't
need them. That is, unless they have reason to suspect abnormal impurities
and low quality water.
Even though I have an EC meter I simply use the LED on my CS generator to
get a good idea of the water quality and often reject water simply by the
intensity of this LED.
I think every CS generator should have an LED.
I add LEDs ( so cheap they are almost free ) to many control panels I
build. It allows me to make a near instant diagnosis when I walk up to a
panel. I even add one to show me when the phone company switches the
polarity on lease line circuits.
They don't do it every day, but they do it more often than I want.
Actually the higher priced CS generators could have 2 or 3 LED's and each
one could indicate a specific EC range for water rejection and other purposes.
It does not take a very technical minded person to tell the Yellow, Green,
and Red LED from each other.
>> EC meter ..da best for DW.
Lots of other things also.
Wayne
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