8.3 Soot Test
The soot test is a measure of soot or
smoke density in the exhaust sample.
The soot test must be performed with the heated probe turned
on in order to prevent the filter paper from becoming wet due to
condensation. To turn probe heating on, go to
Adjustments -> Internal -> Probe heating -> F1
J2KN Pro must be plugged in for the probe
heating function to activate. Allow 3 minutes
for the probe to heat up before soot test.
Soot Test Procedure
1. Turn on probe heating: Adjustments->Internal->Probe heating->F1
2. Press the trigger on the probe handle to open the filter slot
and insert a filter paper (will insert about half-way)
3. Select the line 1st. Soot meas
4. Press <OK> to start the measurement.
The display shows flow volume and the
pump starts sampling
5. Once 1.63 liters have been sucked in,
the J2KN-Pro will prompt to input the
opacity number
6. Press the trigger on the probe handle
to open filter slot and pull out the filter
paper
7. Compare the greyness on the filter paper with the soot test
chart 0-9 opacity scale
8. Input the number and press <OK>
9. Repeat steps 2-8 until all 3 soot tests are completed. The
mean value will be calculated and automatically stored.
10. Turn off probe heating: Adjustments->Internal->Probe heating->F4
Select NO for Oil trace.
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