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Combustion analyzer with digital I/O port.

jlag
jlag Member Posts: 9
edited February 2020 in Oil Heating
Do any manufacturers make a reasonably priced (< $1K) combustion analyzer for #2 residential with a digital IO port (usb, serial, wifi, Bluetooth, etc.)?. I wish to use this for a boiler monitoring system I am working on in order to start analysis and send results to a data acquisition system.

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Comments

  • jlag
    jlag Member Posts: 9
    Screen shot of the work in process.
    BillyO
  • ratio
    ratio Member Posts: 4,003
    Maybe look into just the sensors and cypher up the analysis yourself? IIRC it's an O2 or a CO2 sensor, and two temps.

    Looks like you've already got the flue temp, just need the combustion air temp & either the O2 or CO2 from the flue gas.

    B_Sloane
  • B_Sloane
    B_Sloane Member Posts: 56
    ratio said:

    either the O2 or CO2 from the flue gas.

    NEVER use C02
    GroundUp
  • ratio
    ratio Member Posts: 4,003
    B_Sloane said:

    NEVER use C02

    WHy not? Don't some combustion analyzers use CO2 instead of O2?
  • GroundUp
    GroundUp Member Posts: 2,357
    B_Sloane said:

    show previous quotes
    NEVER use C02
    Except ALWAYS use CO2, per MFG specs
  • captainco
    captainco Member Posts: 812
    Bacharach Intech allows you to download data into you I-phone but only one at a time. Not sure how long you are conducting the test? To datalog for more than 15-20 minutes would take special sensors and sampling assemblies.
    CO2 varies based on the current btu content of the fuel. CO2 readings can be misleading. All fuels produce close to 100% of their CO2 value, whatever it is. O2 determines how much it is diluted, O2 is always 20.9%. Analyzers that calculate CO2 use 11.7% or 11.8% as there guideline, but this does not apply to the actual btus of the fuel.
  • Zman
    Zman Member Posts: 7,611
    ratio said:

    show previous quotes
    WHy not? Don't some combustion analyzers use CO2 instead of O2?
    I don't know of any analyzers that measure CO2. Most if not all measure O2 and CO then calc the CO2. I really don't understand why boiler manufactures specify CO2 readings, no one is actually taking them.
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
    B_Sloane
  • ratio
    ratio Member Posts: 4,003
    Huh. I thought most used one type of sensor & a few used the other.

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