NOTICE
After taking the filter out of the bath, let it dry completely. For this purpose, use a drying cabinet
or put it in a warm place. Installing a sinter filter, which is still damp, affects the analysis results
and shortens the service life of the analyser reagents. ELTRA recommends having an
additional, cleaned and dried sinter filter available to ensure that this dust filter can be cleaned
quickly.
9.3 Cleaning the furnace area
Risk of burns
Hot equipment parts
− Parts of the device can become very hot and cause burns during the
performance of any maintenance work if the waiting time for cooling is not
observed.
• Before any maintenance work can be performed, please wait until the
furnace temperature is < 40
0
C.
• Check the furnace temperature in the ELEMENTS software.
Risk of injury
Moving parts
− The furnace closes after user input. Hands in the area of the opening can
be crushed when the furnace closes.
• Never reach into the oven when it is closing.
• Use crucible tongs in order to place crucibles.
The outside of the furnace area of the ELEMENTRAC ONHp2 must be cleaned on a regular basis
in order to ensure that reliable and reproducible measurement results can be achieved.
In order to clean the surface area, please proceed as follows:
1. Turn the main switch of the analyser to position 1 or 0.
2. Please wait until the analyser has cooled down.
3. Press the button “furnace cleaning” on the software tab “status analyser”.
4. Remove the dust trap.
5. Clean the connection between dust trap and furnace with the supplied pipe cleaner.
6. Use the supplied bottle brush in order to brush the inner area of the sample fall channel
from above through the sample inlet into the furnace chamber.
7. Brush the top electrode with the supplied electrode brush.
8. Clean the inside surface of the furnace with the slightly damp cloth.
9. Brush the lower electrode with the supplied brass brush.
10. Remove the accumulated dust with a vacuum cleaner or a slightly damp cloth.
11. Close the window in the Elements software.
12. Turn the main switch of the analyser to position 2.
The cleaning of the furnace has been completed.
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