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Re: Help needed with voltage divider
Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net>
Hi Marco,
I suspect the vacuum doesn't get all the desolved gases out of the water.
You might try boiling the water to rid it of gases.
Gerry R.
> Original poster: "Denicolai, Marco" <Marco.Denicolai-at-tellabs-dot-com>
>
> Hello all,
>
> I am also proceeding with my water voltage divider roughly described at
>
> http://www.iki.fi/dncmrc/work/hv_divider.htm
>
> My sealed distilled water column gives a 1:60 division ratio and a
> second (compensated) stage at the bottom of it a 1:10 ratio, for a total
> of about 1:600 ratio. The first stage resistance is about 1.2 Megaohms.
> On the column top I have two copper pipes (6 mm o.d.) I used to pump
> water in and air out. I used an old refrigerator pump to extract all the
> air I could from the water. Then I sealed (soldered) the pipe tops. The
> pipe tops and the bottom networks remain both enclosed inside two
> rounded aluminium caps. Just a shielded cable going out of the ground
> (bottom) terminal.
>
> After two weeks from the sealing air bubbles started again forming
> inside the (plexi) tube. I am pretty sure I have no leaks. There are
> also no sediments inside. The water is still clear. So, what's going on?
> How pros do to get read of the air dissolved in the water?
>
> Anybody who can help me with this?
>
> Regards
>
> --
>
>