Metrohm 892 Professional Rancimat, Manual

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5 Operation and maintenance
892 Professional Rancimat
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43
NOTICE
If the suspicion arises that liquids have found their way into the
product, disconnect the instrument from the power grid and con-
tact your Metrohm service engineer.
NOTICE
Water or ethanol can be used as a cleaning medium.
NOTICE
The connectors at the rear of the product must only be cleaned
with a dry cloth.
5.2 Replacing the dust filter
The dust filter (2-
15
) is mounted on the opening marked with Filter on
the rear of the instrument and serves for filtration of the air aspirated
through the air pump. It must be checked at periodic intervals and
replaced in the case of more intense contamination (6.2724.010).
Figure 18 Dust filter - conditions
1 Dust filter new
New dust filters are white on the intake side.
2 Dust filter used
Used dust filters are discolored on the intake
side.
3 Dust filter full
Full dust filters have a dark to black color on
the intake side and must be exchanged.