36
@IST01530EEJ 019175A0 190411
4.13 Draft Menu
The DRAFT menu gives access to the stack draft measurement.
The user to input the external air temperature as required by the standard. Afterwards the measurement screen
is reached: here the user can acquire the value displayed in order to add it to the running analysis
measurements or, alternatively, print the relevant ticket through the ‘PRINT’ menu.
NOTE: The measurement may not be accurate due to condensation inside the sample probe. Should
you notice an inaccurate or unstable reading on the instrument, it is advisable to disconnect the sample
probe from the instrument itself, and purge pipes by blow ing with a compressor. In order to be sure
there is no humidity, it is suggested to perform the measurement by means of the transparent rubber
pipe supplied on issue.
Once the data is stored, the instrument progresses automatically from the Draft Menu to the Analysis
Menu.
NOTE: The draft values to be stored in the memory must be acquired bef ore storing the analysis data.
Activ ates the Draft Menu.
4.13.1 Flow Chart - Draft Menu
Bef ore starting the pressure zeroing sequence pay attention to remove the gas probe f rom the stack.
Insert the probe in the stack and measure the
draft. In order to add the draft value to those of the
ongoing analysis, please select KEEP through the
right arrow key, then press ' '. For a printout of
the ticket with the draft value, enable the PRINT
menu through the relev ant key, then proceed as in
the combustion analysis printing. A draft v alue
acquired into memory can be deleted by pressing
again the 'draft' key: a series of dashes will appear
in place of the measurement v alue; after this select
the 'KEEP' option with ' '.
Pressure zeroing is accomplished by pressing ' ' with the ZERO option highlighted in the background.
Connect the probe pressure input hose to the instrument P+ input.
WARNING
Use P+ negative
inlet
DRAFT
0.00hPa
0.00hPa0.00hPa
0.00hPa
DRAFT
ZERO KEEP
KEEPKEEP
KEEP
0.00hPa
DRAFT
ZERO
ZEROZERO
ZERO
KEEP
KEEPKEEP
KEEP
-0.05hPa
DRAFT
ZERO
ZEROZERO
ZERO
KEEP
KEEPKEEP
KEEP
►Print report
Print setup
Paper feed
Print test
PRINT
PRINTPRINT
PRINT
►RefO
2
Auto:001 ▼
O
2
4.2٪
CO
2
9.3٪
Xair 1.25
Tf 190.1C
Ta 15.4C
∆T 74.7C
Eff 83.4٪
Loss16.6٪
CO 146p
NO 40p
SO
2
41p
NO
X
51p
Analysis
Model
PRINT REPORT
PRINT QUIT
draft
running
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