Hach EZ Serie Manuel De L'utilisateur page 6

This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid
potential injury. If on the instrument, refer to the instruction manual for operation or safety
information.
This symbol indicates the need for protective eye wear.
This symbol indicates the need for protective gloves.
This symbol indicates the need for safety footwear.
This symbol indicates the need for protective clothing.
This symbol identifies a risk of chemical harm and indicates that only individuals qualified
and trained to work with chemicals should handle chemicals or perform maintenance on
chemical delivery systems associated with the equipment.
This symbol indicates that a risk of electrical shock and/or electrocution exists.
This symbol indicates that the marked item can be hot and should not be touched without
care.
This symbol indicates that a risk of fire is present.
This symbol identifies the presence of a strong corrosive or other hazardous substance
and a risk of chemical harm. Only individuals qualified and trained to work with chemicals
should handle chemicals or perform maintenance on chemical delivery systems
associated with the equipment.
This symbol indicates the presence of a harmful irritant.
This symbol indicates that the marked item should not be opened during operation.
This symbol indicates that the marked item should not be touched.
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