Hach TU5200, Basic User Manual, Page: 5 / 166

C A U T I O N
Indicates a potentially hazardous situation that may result in minor or moderate injury.
N O T I C E
Indicates a situation which, if not avoided, may cause damage to the instrument. Information that requires special
emphasis.
Precautionary labels
Read all labels and tags attached to the instrument. Personal injury or damage to the instrument
could occur if not observed. A symbol on the instrument is referenced in the manual with a
precautionary statement.
Electrical equipment marked with this symbol may not be disposed of in European domestic or public
disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no charge to
the user.
This symbol, if noted on the instrument, references the instruction manual for operation and/or safety
information.
This symbol indicates that a risk of electrical shock and/or electrocution exists.
This symbol indicates the need for protective eye wear.
This symbol indicates a laser device is used in the equipment.
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 radio waves.
Class 2 laser product
D A N G E R
Personal injury hazard. Never remove covers from the instrument. This is a laser-based instrument and
the user risks injury if exposed to the laser.
English 5