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From: "William E. Sadler" <yqwyktp@sn*.be*.co*>
Subject: Re: Gas Blending
To: tdiltd@de*.co*.uk*
Date: Mon, 13 Nov 95 10:44:48 EST
Cc: cavers@co*.ci*.uf*.ed* (Cave Divers List),
     techdiver@terra.net (Techdiver Mail List)
Greetings!

> Regarding the thread about the difficulties of pp mixing. I have seen some
> work done by a British based manufacturer which is about to launch an
> electronically controlled gas blending panel called the ANX Supreme which
> will solve many of the problems which have been identified.
> 
> The unit also has built in safety factors to prevent dangerous levels of
> adiabatic compression, has a redundant electrical supply to allow for power
> loss and shuts down in case of hose rupture/o-ring failure.
> 
> I understand the unit will be at Tek and DEMA.
There is another company that will have a similar unit at DEMA/TEK this year.

The unit is called the MixMate, and will be able to fill Air, NOAAI/NOAAII
at the push of a button, (mixign as it goes) and allows for custom mixes to
be entered by %of gas (using He, O2, N2) or by entering MOD, max ppO2, and 
END, then it computes the mix and blends it and pumps it.

Right now, the unit uses mass flowmeters to measure a qty of gas, or it can
fill by pressure.

Should be an interesting DEMA!

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