Symbols Used; Safety Symbols - Endress+Hauser Prosonic Flow 91W Installationsanleitung

• Risk of damaging the electronic components! Ensure you have a working environment
protected from electrostatic discharge.
• After removing the electronics compartment cover: risk of electrical shock due to missing
touch protection!
Turn the measuring device off before removing internal covers.
• Modifications to the measuring device are not permitted.
• Only open the housing for a brief period. Avoid foreign objects, moisture or dirt entering the
housing.
• Replace defective seals only with original seals from Endress+Hauser.
• If threads are defective the measuring device must be repaired.
• Threads (e.g. of the electronics compartment cover and connection compartment cover)
must be lubricated if an abrasion-proof dry lubricant is not available. Use acid-free, non-
hardening lubricant.
• If, during installation, spacing is reduced or the dielectric strength of the measuring device
cannot be guaranteed, perform a test on completion of the work (e.g. high-voltage test in
accordance with the manufacturer' s instructions).
• Service plug:
• Do not connect in potentially explosive atmospheres.
• Only connect to Endress+Hauser service devices.
• Observe the instructions for transporting and returning the device outlined in the Operating
Instructions.
Contact Endress+Hauser Service if you have questions:
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Symbols used

3.1 Symbols used
3.1.1

Safety symbols

DANGER
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
Endress+Hauser
www.addresses.endress.com
EA01256D
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