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'] CO2 sensor'
2004\02\09@104232 by William Bross

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Hi Wouter,

Check out:

http://www.figarosensor.com

I've used them in the past.  Good products, good service, but they are a
bit pricey.

Bill

{Original Message removed}

2004\02\09@105925 by Wouter van Ooijen

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> http://www.figarosensor.com

Accuracy 'approximately 20%' :(

I need 10% or better after 1 year.

> I've used them in the past.
> Good products, good service, but they are a bit pricey.

I don't expect anything cheap.

Wouter van Ooijen

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Van Ooijen Technische Informatica: http://www.voti.nl
consultancy, development, PICmicro products

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2004\02\09@112622 by Mike Harrison

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On Mon, 9 Feb 2004 16:57:21 +0100, you wrote:

>> http://www.figarosensor.com
>
>Accuracy 'approximately 20%' :(
>
>I need 10% or better after 1 year.
>
>> I've used them in the past.
>> Good products, good service, but they are a bit pricey.
>
>I don't expect anything cheap.

Draeger make a huge range of gas monitoring stuff : http://www.draeger.com/ST/internet/US/en/Industries/GDS/gds_engineering.jsp

How about this :

http://www.draeger.com/ST/internet/US/en/Industries/GDS/General/Toxic/Industrial/PolytronIRCO2/ggi_polytron_ir_co2.jsp

Ises infra-red detection, 4-20mA output
Long term drift 0.03%, repeatability 0.05%

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