Ametek Land LANCOM 4 - Calculated no 2 Factor; Configuration For Combustion Efficiency Measurement

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Lancom 4Portable Flue Gas Analyser
User Guide
5.5 Calculated NO
2
Factor
If an NO
2
sensorhasnotbeenttedtotheanalyser,theNO
2
factor is used to
calculate NO
X
from the NO reading.
1) From the Main Menu, select the Settings option.
The Settings screen is displayed.
2) Select the System Parameters option.
The System parameters are displayed. You can change a value by using
the left/right keys.
3) Select the NO2 Factor option, then use the left/right keys to set the
required NO
2
percentage.
4) To save these settings, press enter.
5) Press the exit button to return to the Settings screen.
To return to the Main Menu screen, press the Home button.
5.6 Configuration for Combustion Efficiency Measurement
Fueleciency,loss and excess air are displayed on the Gas Readings screen
andalsoappearonprintoutsandin data logs.  Fuel eciency is calculated
according to BS 845. Refer to LAND Technical Bulletin TB03 for details of the
calculation.
Tomeasurefueleciencythecorrectfueltypemustbespecied.
Setting the Fuel Type:
1) In the Main Menu screen, use the up/down arrow keys to the highlight
the Settings option, then press the enter key.
The Settings screen is displayed.
2) Select the Fuel option, then press the enter key.
The Fuels screen is displayed.
3) Use the left/right keys to select the required fuel type, then press the
enter key.
The data values for the selected fuel are displayed.
4) Use the up/down arrow keys to scroll through the list of data values. If
the data value can be changed, you can use the left/right keys to set
the required value.
5) When you have set the required data values, press enter to save them.
6) Press the exit button to return to the Settings screen.
To return to the Main Menu screen, press the Home button.
Fueleciencyvaluesarenotavailablewhenusingthehightemperature
probe. Four blank fuel types are provided for customisation. Refer to Land
Technical Bulletin TB03 for more information.