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'[Tech] Odour Sensors'
2011\12\30@171555 by cdb

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Not sure if this is EE, Tech or OT

Before I spend an exorbitant AU$9.99 and take an Airwick(tm) odour detecting device apart, does anyone on the list know what type of sensor it might use to perform this feat?

I thought possibly a gas sensor, or maybe an O2, I doubt that they would be using a laboratory sensor that is tuned to certain molecules (at that price). How would it know the difference between smelly flowers or burnt carbonised food? I know there are sensors that can detect keytones and esthers and used in wine production, but again I reckon the price would be out of the reach Reckitt and Colman/Benckiser even at volume.




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cdb,   31/12/2011
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spam_OUTcolinTakeThisOuTspambtech-online.co.uk

2011\12\30@194443 by William \Chops\ Westfield

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On Dec 30, 2011, at 2:15 PM, cdb wrote:

> does anyone on the list know what type of sensor it
> might use to perform this feat?

http://hackaday.com/2011/09/21/air-wick-odor-detect-teardown/

BillW

2011\12\30@200052 by cdb

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Brilliant,

I hadn't thought of looking there.

Colin
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cdb, .....colinKILLspamspam@spam@btech-online.co.uk on 31/12/2011
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2011\12\31@145153 by V G

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Ketones* and esters*

On Friday, 30 December 2011, cdb <colinspamKILLspambtech-online.co.uk> wrote:
> Not sure if this is EE, Tech or OT
>
>  Before I spend an exorbitant AU$9.99 and take an Airwick(tm) odour
> detecting device apart, does anyone on the list know what type of sensor
it
> might use to perform this feat?
>
> I thought possibly a gas sensor, or maybe an O2, I doubt that they would
be
{Quote hidden}

>

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