
Memo-Graph S 1 Safety instructions
Endress+Hauser 7
1 Safety instructions
1.1 Notes on safety conventions and icons
The devices are safely built and tested according to state-of-the-art technology and have left the fac-
tory in perfect condition as regards technical safety. The devices comply with the relevant standards
and guidelines as per EN 61010 “Safety requirements for electrical equipment for measurement,
control and laboratory use”. They can, however, cause danger if used improperly or other than
intended.
Always refer to the safety instructions in these Operating Instructions labelled with the following
symbols:
#
Warning!
“Warning” draws attention to activities or procedures that can lead to injuries to persons or to safety
risks if not carried out properly. Observe the work instructions closely and proceed with care.
"
Caution!
“Caution” draws attention to activities or procedures that can lead to defective operation or to des-
truction of the device if not carried out properly. Follow the instructions carefully.
!
Note!
“Note” draws attention to activities or procedures that have an indirect effect on operation, or can
trigger an unforeseen device reaction if not carried out properly.
1.2 Designated use
This device is suitable for installation in control panels and cabinets in non-hazardous areas. It meets
the requirements of EN 61010-1 / VDE 0411 Part 1 and has left the factory in perfect condition as
regards technical safety.
The manufacturer does not accept liability for damage caused by improper or non-designated use.
The device can cause danger if used improperly or other than intended. If it is obvious that safe ope-
ration is no longer possible (e.g. visible damage), please place the device immediately out of service.
Secure the device against unintentional start-up.
1.3 Installation, commissioning and operation
Observe the following points:
• Installation, electrical installation, commissioning and maintenance of the device must only be
carried out by trained experts who have be authorised to do so by the system operator. These
experts must have read and understood these Operating Instructions and follow their instructions.
• The device must only be operated by personnel who have been authorised and instructed by the
system operator. These Operating Instructions absolutely must be followed.
• Before connecting the device, ensure that the power supply corresponds to the value specified on
the nameplate. The installer is responsible for ensuring that the measuring system is correctly con-
nected in accordance with the electrical wiring diagrams. Before switching on the system, again
check that all connections are correct.
• Primarily observe local regulations regarding opening and repairing electrical devices.
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