Boiler oxygen meter
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If I remove the oxygen meter from the boiler, raise its temperature to 600 degrees to check the oxygen level, and then put it back in, raise the temperature to 600 degrees again before removing it to check the oxygen level in the air, is there any difference?
Only when the probe is removed from the furnace does it basically become the same, because that’s when the oxygen content in the air outside the furnace is measured. Zirconia oxygen analyser probes can measure oxygen content directly in the furnace or flue; why is it necessary to remove them, and isn’t there a risk of getting burned?
I agree with what 2# said; however, zirconia requires a reaction time, and it is only the values after stabilization that are meaningful.