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PCA
Instruction 24-9351
1.2 Displayed Data
The PCA directly measures, displays, and stores the following data:
• Room Temperature in °C or °F (Primary Air/Ambient Temperature)
• Flue Gas Oxygen Content in %
• Flue Gas Temperature in °C or °F
• Flue Gas Carbon Monoxide Content (H
2
Compensated) in ppm
(For analyzers having a Carbon Monoxide sensor)
• Flue Gas Nitric Oxide content in ppm
(For analyzers having a Nitric Oxide sensor)
• Pressure/Draft in Millibars, Pascals, or Inches of Water Column
(For analyzers having a draft sensor)
• Differential Pressure in Millibars, Pascals, or Inches of Water Column
(For analyzers having a draft sensor)
The PCA will compute, display, and store the following data for any of the
standard fuels:
• Stack Loss in %
• Lambda
• Flue Gas Carbon Dioxide Content in %
• Flue Gas Carbon Monoxide Content referenced to 0% Oxygen in ppm
(For analyzers having a Carbon Monoxide sensor)
• Flue Gas Nitric Oxide Content referenced to 0% Oxygen in ppm
(For analyzers having a Nitric Oxide sensor)
The standard fuels are:
• Natural Gas
• Oil #2
• Oil #6
• LPG
• Koks
• Low Energy Gas
• P-Coal (available in English, German, Dutch, French, Italian,
Polish, and Spanish languages)
• Biofuel (available in Danish, Finnish, and Swedish languages)
The PCA continuously monitors flue-gas-exhaust conditions and updates
the above displayed values during a combustion test. If the analyzer is
equipped with an optional pressure sensor, draft measurements can be
made simultaneously with the combustion test, or made separately.
The analyzer has the ability to store data that was collected during a
combustion test or draft measurement. The stored data can then either be
viewed on the PCA’s display, printed using an optional printer, or down-
loaded to a computer.
1-2
Introduction