The main flow search phase starts now.
O2 4.2 % TG 117°C
CO 80 m NO2 55 m
Main flow
Search!
The main flow has been found if the highest exhaust gas temperature remains the same for 5 secs. or just
rises. If, after 60 secs. from the start of the main flow search, the condition is not achieved, there will be an
interruption of measurement and an error message.
Time exceeded,
please start again
from the beginning
with the BUWAL
measurement
O2 3.2 % TG 137°C
CO 80 m NO2 55 m
Main flow found
Attach probe!
<< Bip – Bip – Bip – Bip >>
Confirm with
.
The soot measurement phase will only start if the fuel type "Heating oil el" is set, otherwise the soot
measurement is skipped.
Soot measurement
Place filter paper
in probe
Confirm with
.
Having carried out a soot measurement, this appears on the display:
Remove filter paper
<< Bip – Bip – Bip – Bip >> confirm with
.
After removing the soot filter paper and confirming with
the programme switches to measuring
mode.
qA 5.7 % qAF 5.3 %
CO 80 m NO2 55 m
Stabilisation period
45 secs. to print
qA, qAF frozen after 30 secs. (metas directive).
90 secs. in case of natural gas as fuel (metas directive).
Once the stabilisation period has elapsed, the measured values are saved and the special print routine is
started.
BUWAL measurement
Remove probe from
exhaust pipe
Turn off burner
Confirm with
.
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