Searching for O2 Sensor (specs in thread)

  • #1
Hey guys -
I've been looking to find an oxygen sensor that fits certain criteria. I've been looking through oxygen sensors on Google and I can't really figure out what kinds of inexpensive oxygen sensors are available that aren't meant to go inside car exhausts. I would really appreciate it if someone here could help me in this regard, or at least post a link to a website that sells sensors which might peddle the kind of sensor I'm looking for! I'm looking to buy just a few now, but in the future, if all goes well, I might be ordering a few thousand.

Criteria:
Reasonable price (less than $150, excluding shipping, except if shipping costs more than $25)
Resistant to and unaffected by soot; sensor will be placed in a house hold chimney and should be well suited to EPA standards of soot in chimney smoke.
Sensor's readings should be accurate to within half a percent oxygen concentration in air, or more accurate
Sensor's operating temperature must be between 50 C and 500 C (i.e, a sensor that operates at 200 C to 300 C is just fine - we can adjust where we place the sensor in the chimney to allow for temperature adjustment near sensor position)
Oxygen sensor will have to deal with the moisture present in a house hold chimney (

Accuracy isn't as important as being rugged and resistant to extreme soot build up.

I'm also looking for a carbon monoxide sensor - this would operate in the same conditions as above, but accuracy obviously needs to be much more accurate - measuring on a ppm scale seems to be a good idea for our application.

Thanks so much!
 

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