[chbot] Oxygen / Argon sensor

[Mark Atherton]

Thanks Graham, Geoff.

On 7/06/2020 9:41 PM, GRAHAM CHRISTIE wrote:
> Hi Mark
> I have bottled Argon, regulator etc.
> I would bubble the argon into the container, expelling air up top.
> I would test the expelled air in a second higher container with a candle at the top.
>
> Regards
> Graham
> On 07 June 2020 at 20:32 Mark Atherton <markaren1 at xtra.co.nz> wrote:
>
>
> I need to store a thermionic emitter in a jar which is free of oxygen,
> and just discovered that argon may an acceptable gas.
>
> Argon is heavier than air, so it may be as simple as filling a small
> vertical container with Ar, and placing the emitter at the bottom.
>
> I do need some simple instrumentation to tell me how full the container
> is, so can either be an argon or an oxygen detector.
>
> Just wondering if anyone has experience using a car oxygen sensor in the
> wild, or if there are any other readily available techniques which
> should be considered (lighted taper would work, but messy).
>
> Thoughts please.
>
> Mark