Precautionary Labels - Hach Module de sortie 4–20 mA Instructions D'utilisation

Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death
or serious injury.
Indicates a potentially hazardous situation that may result in minor or moderate injury.
Indicates a situation which, if not avoided, may cause damage to the instrument. Information that
requires special emphasis.

2.1.2 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.
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 presence of devices sensitive to Electro-static Discharge (ESD)
and indicates that care must be taken to prevent damage with the equipment.
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.
2.1.3 Class 1 Division 2 label
This label indicates that the module is approved for use in a Class I Div 2 A-D, T4/
CL 1 DIV 2 Gr A-D
Class I Zone 2 IIC, T4 environment when used with a Class I Div 2 approved
See Manual
SC4200c and SC4500 controllers and sensors: LDO and TSS-Ex 1.
Voir manuel
2.1.4 Precautions for hazardous location installation
Explosion hazard. Only qualified personnel should conduct the installation tasks described
in this section of the manual. This equipment is suitable for use in Class 1, Division 2,
Groups A, B, C & D Hazardous Locations with specified sensors and options
appropriately certified and rated for Class I, Division 2, Group A, B, C & D , Zone 2, Group
IIC Hazardous Locations.
Explosion hazard. Do not remove or replace modules while power is supplied to the
controller unless there are no ignitable gases in the area.
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