3
• Do not install, operate or maintain this device without reading, understanding and following
the factory supplied handbook. Failure to do so, may result in injury or damage.
• Read these instructions carefully before starting installation and save them for future
reference.
• Observe all warnings and instructions marked on the device.
• You MUST only use a power supply that has a protective earth.
• Do not use the device with the covers removed!
• You MUST follow the installation instructions in the handbook, paying particular attention
to:
• Handling
• Lifting
• Supporting and fixing the meter
• Cabling and connections.
• If the product does not operate normally, refer to the handbook or consult a qualified
KROHNE service engineer. There are no operator-serviceable parts inside the product.
EExxppllaannaattiioonn ooff SSyymmbboollss UUsseedd
The following is a guide to the meaning of the symbols used in this handbook.The symbols fall
into two types. The rectangular symbols with blue background draw the reader’s attention to
general points of information. The triangular symbols with yellow background draw the read-
er’s attention to hazards or hazardous situations.
GGeenneerraall IInnffoorrmmaattiioonn
Information is important to the
installation/operation of the meter.
GGeenneerraall WWaarrnniinngg
Risk of damage to the meter or installation.
EEXX -- HHaazzaarrddoouuss AArreeaa WWaarrnniinngg
Instruction MUST be observed in order to
comply with Hazardous Areas Certification.
HHiigghh VVoollttaaggee
Risk of electric shock.
GGeenneerraall HHaazzaarrdd
Non specific hazard that could result in injury.
HHoott SSuurrffaaccee oorr HHiigghh TTeemmppeerraattuurree
Risk of burning.
HHeeaavvyy IItteemm
Risk of injury.
AD OPTIMASS 300_010 Haz Areas Rev 01.qxp 05/03/2014 13:24 Page 3
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