Our COSA XENTAUR™ 9610 CXc™ calorimeter measures Wobbe Index, BTU/Heating Value and CARI (Combustion Air Requirement Index).  Key advantages of this calorimeter are its insensitivity to changes in ambient temperature, a very fast response with the ability to measure gases with BTU values down to zero and the measurement of the Combustion Air Requirement Index besides Wobbe Index and Heating Value.  Using our 9610 CXc calorimeter continuous gas analyzers with expert design make BTU analysis a definitive money saving tool!

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CALORIMETER MEASUREMENT PRINCIPLE

RESIDUAL OXYGEN MEASUREMENT

Our 9610 CXc calorimeter Wobbe Index measurement is based on the analysis of the oxygen content in the flue gas after combustion of the sample.  A continuous gas sample is mixed with dry air at a precisely maintained constant ration, which depends on the BTU range of the gas to be measured. The fuel air mixture is oxidized in a combustion furnace in the presence of a catalyst at 800°C, and the oxygen concentration of the combusted sample is measured by a zirconia oxide cell.

The residual oxygen provides an accurate measurement for the Combustion Air Requirement (CARI) of the sample gas, which can be correlated accurately to the Wobbe Index of the gas.

• Low cost of ownership
• Automated, low operator time
• Low maintenance, little down time
• Proven technology with a large installed base all over the world
• Global service and repairs