wtw SensoLyt 690, Operating Manual, Page: 31 / 48

Safety
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2 Safety
This operating manual contains basic instructions that you
must follow during commissioning, operation and
maintenance. Consequently, all responsible personnel must
read this operating manual before working with the
armature. The operating manual must always be available
within the vicinity of the armature.
Target group The pH armature was designed for use with online
instrumentation - mostly in waste water treatment plants.
Thus, we assume that, as a result of their professional
training and experience, the operators will know the
necessary safety precautions to take when handling
chemicals.
Safety instructions In the individual chapters of this operating manual, the
following safety instructions indicate different danger levels:
Danger
indicates notes that have to be exactly observed to avoid
possibly great danger for people.
Warning
indicates notes that have to be exactly observed to avoid
possible slight injuries or damage to your instrument or the
environment.
Further notes
Note
indicates notes that draw your attention to special features.
Note
indicates cross references to other documents, e. g.
operating manuals.