[PSUBS-MAILIST] scrubber performance

[River Dolfi via Personal_Submersibles]

We haven't been using a pump in outdoor operations. Blowing air across it
won't change the ultimate reading , but will decrease the response time.
I'm planning on putting a mount for this sensor at the inlet of the
scrubber. The action of the fan moves air across the sensor for quicker
response, but it's still exposed enough to get readings when the fan is off.

Yet again, you will need slightly fancier electronics to read it, since it
does output an RS232 digital signal, not analog. However, this does give
you more control and makes it easier to calibrate.



>
> Message: 2
> Date: Fri, 3 Feb 2017 10:30:12 +1300
> From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
> To: Personal Submersibles General Discussion
>         <personal_submersibles at psubs.org>
> Subject: Re: [PSUBS-MAILIST] scrubber performance
> Message-ID: <AC997834-A066-4D52-9769-EA45A14D61A6 at yahoo.com>
> Content-Type: text/plain; charset="us-ascii"
>
> That looks good River.
> They have a sensor pump kit add on.
> http://www.co2meter.com/collections/co2-sensors/
> products/gas-sensor-micro-pump
> Is this necessary? Does the unit need to be put in an air flow?
> I noticed other add ons, like water filter. Any recommendations regarding
> required add ons.
> Alan
>
>
>
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