MEASUREMENTS - Flue Gas (continued)
Allow the readings to stabilise. Multiple parameters can be seen in the display.
16
• Carbon Monoxide (CO) reading in parts per million
(ppm)
• Carbon Dioxide (CO2) figure in percentage (%)
(calculated)
• CO/CO2 (Ratio) figure.
• Calculated Efficiency (Eff.) figure in percentage
• Oxygen (O2) reading in percentage (%)
• Excess Air (X Air) in percentage
• Nitric Oxide (NO) (measured) and Nitrogen Oxide
(NOx) (calculated).
If Fitted.
• Carbon Monoxide (CO) reading in parts per million
(ppm)
• Carbon Monoxide Air Free (COAF) in parts per million
(ppm) (calculated).
• Nitric Oxide (NO) (measured).
If Fitted
• Temperature T1-ST (stack temperature)
• T2-AT (ambient temperature).
• Temperature T1 - T2 (DT)
• Pressure (Prsu)
• Pump speed in cc/min.
Pressing the Up / Down Arrow keys enables the rest of the screen to be displayed.
Once the combustion readings have stabilised they can be “Printed” directly to the
optional IR (A740) Printer by lining up the IR window on the side of the FGA (see page
6) & the IR window on the Printer. Alternatively the stabilised readings can be “HELD”
on the screen. Once the readings are held on the screen the following options are
available:- “Send” the held readings to the A740 Printer or to a Compatible PC or
“Save” the readings to a memory location of your choice. These options are explained
in further details on page 17.
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