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ecom-EN3
1.5 ecom-EN3, Option heated probe for soot measurement
Heated probe for soot measurement
In order to perform a measurement of the soot content in the flue gas from oil firing systems,
a filter paper is introduced into the exhaust path of the probe where the soot deposits during
the measurement.
On the basis of the deposited amount of soot on the filter paper (blackening), it is possible to
compare optically with a scale, which is the soot number. This makes it possible to evaluate
the amount of soot in the flue gas.
The filter paper is heated in the probe to prevent the flue gas from cooling too much. This
cooling of the flue gas would lead to condensation of water vapour from the flue gas and will
distort the result of the measurement.
Hint
As an alternative to the heated probe, a hand soot pump can be used. The
possible condensation of water vapour is however not prevented with a hand
soot pump.
Hint
For further information on the procedure for soot measurement with the heated
probe, please refer to chapter "4.7 Soot...Oil trace"
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