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Anonymous
O2 Sensor Non Automotive Use 2016-02-20 12:53:15 Post No. 949466
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O2 Sensor Non Automotive Use 2016-02-20 12:53:15 Post No. 949466
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anyone know if you can use a heated o2 sensor to find the % o2 content from ~20% to 95%?
or are they only valid for low concentration exhaust?
got a cheap o2 concentrator and want to see the % output ( it doesn't use a o2 sensor )
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>>949466
Afaik car sensors won't work at that oxygen range.
If you're ok with tedious and somewhat inaccurate off-line measurement, you could just burn the oxygen away from a known volume of gas. A classic chemistry experiment uses steel wool, but sulfur works too.
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Car o2 sensors need to be hot as fuck.
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Biomed here. We use this guy to test the output of our O2 concentrators. It's basically just a fuel cell with a screen but it's nice because you can calibrate it with room air.
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Or just google "oxygen analyzer" there are a ton of options.
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