Searching for O2 Sensor (specs in thread)

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SUMMARY

The discussion focuses on sourcing oxygen sensors suitable for household chimney applications, emphasizing affordability, soot resistance, and accuracy. The user seeks sensors priced under $150, capable of operating between 50°C and 500°C, and resilient to moisture and soot buildup. Additionally, a carbon monoxide sensor with high accuracy on a ppm scale is also required. Recommendations include exploring options on Alibaba for bulk purchases.

PREREQUISITES
  • Understanding of oxygen sensor specifications and applications
  • Familiarity with environmental standards for emissions
  • Knowledge of temperature ranges for sensor operation
  • Experience with sourcing components from online marketplaces like Alibaba
NEXT STEPS
  • Research oxygen sensor specifications for chimney applications
  • Explore suppliers on Alibaba for bulk purchasing options
  • Investigate carbon monoxide sensor accuracy requirements for household use
  • Review EPA standards related to soot and emissions in residential settings
USEFUL FOR

Engineers, HVAC professionals, and anyone involved in environmental monitoring or sensor technology for residential applications will benefit from this discussion.

Hypnotist56
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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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