Hach CODmax III User Manual page 7

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 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 that the object is heavy.
This symbol indicates the presence of devices sensitive to Electro-static Discharge
(ESD) and indicates that care must be taken to prevent damage with the equipment.
This symbol indicates that the marked item requires a protective earth connection. If the
instrument is not supplied with a ground plug on a cord, make the protective earth
connection to the protective conductor terminal.
This symbol indicates a poisonous substance hazard.
This symbol indicates that the substance is toxic to aquatic organisms and may cause
long-term adverse effects in the aquatic environment.
English 5