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Post by invention1 on Mar 6, 2019 8:12:49 GMT -8
I have a Bacharach Fyrite Tech flue gas analyzer left over from my company was doing residential energy auditing. It is not a fancy datalogging unit like a Testo. However it is in hand (unlike a Testo) and could be brought to bear. These things are available quite cheaply on Ebay, under $100. New ones are available for under $500. Mine, and all of the used ones on Ebay presumably, is in need of an oxygen sensor and perhaps a CO sensor. Bacharach says that replacing the oxygen sensor is about $360 and if the Oxygen and CO sensors both need replacement that would be about $420. Not cheap, and probably little use as it is. The last time it was used, the CO sensor was working, but the O2 was not, and I believe O2 goes into the efficiency calculation, but my memory is fuzzy on this. Datasheets: www.ivytools.com/v/vspfiles/assets/images/bacharach-fyrite-tech-datasheet.pdfwww.ivytools.com/v/vspfiles/assets/images/bacharach-fyrite-tech-manual.pdfLack of datalogging is burdensome, however I'm fully capable of using a pencil and paper every two minutes during a burn if it saves me a thousand bucks over a Testo (which isn't really in the budget). Also fully capable of typing that data into a spreadsheet to make a graph. This machine is designed and calibrated for common furnace fuels - natural gas, propane, etc. If someone stuck it into a wood stove flue, would the resulting readings have any validity? Oxygen is Oxygen, right?
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Post by peterberg on Mar 6, 2019 8:28:50 GMT -8
This analyzer should have a range of fuel choices, wood being one of those. If not, it's of little value for measuring wood combustion devices, sorry.
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Post by Deleted on Mar 6, 2019 10:44:26 GMT -8
May be interesting. Fieldpiece SOX3 Combustion Check It directly measures percent O2 and flue temperature, and calculates percent CO2, percent excess air, and combustion efficiency. made in United States About $335-$350 at Amazon or Walmart
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