Table of Contents
Advertisement
6 Using the product
Ensuring measuring accuracy
> Recommendation: Carry out a leakage test prior to every series
of measurements, see Switching the instrument on/off, page 19.
> Adjust the height entry after changing the measuring location,
see Configuration menu, page 22.
> Ensure that the hose clamp on the bypass is used correctly:
•
•
6.4.
Measuring
✓ The flue gas probe is located outside the flue gas duct.
1. Press [OK].
-
Rinse phase (pump running, duration 10 s).
-
A 20 s countdown runs down. During this time, the probe shaft
must be fed into the flue gas duct and the measurement must
be started. If this is not done, the rinse phase must be started
again.
2. Position the probe shaft in the flue gas duct.
3. Press [Start].
-
The measurement begins (pump running).
-
The measurement is stopped automatically after 20 s (Hi) or 40
s (Lo).
4. Remove probe from flue gas duct.
CAUTION
The instrument may become damaged due to condensate!
> Only leave the probe shaft in the flue gas duct for the
-
The evaluation of the blackening mark created on the filter
paper is performed as soon as the instrument is unpressurised.
The determined soot concentration, as well as the Bosch
number or FSN (depending on the setting), is displayed after a
few seconds.
24
Measurements when there is overpressure in the flue gas
duct (normal): hose clamp open.
Measurements when there is underpressure in the flue gas
duct: hose clamp closed.
If an overpressure cannot be clearly ascertained, close the
hose clamp so as not to distort the measurement result.
duration of the measurement.
Advertisement
Table of Contents
