About this document iTEMP TMT162
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1.1.2 Safety Instructions (XA)
When using in hazardous areas, the relevant national standards must be observed. Separate
Ex-specific documentation is provided for measuring systems that are used in hazardous
areas. This documentation is an integral part of these Operating Instructions. The installation
specifications, connection data and safety instructions contained therein must be strictly
observed! Make sure that you use the right Ex-specific documentation for the right device
with approval for use in hazardous areas! The number of the specific Ex documentation (XA...)
is provided on the nameplate. If the two numbers (on the Ex documentation and the
nameplate) are identical, then you may use this Ex-specific documentation.
1.1.3 Functional safety
Please refer to Safety Manual SD01632T for the use of approved devices in protective
systems according to IEC 61508.
1.2 Symbols
1.2.1 Safety symbols
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2 Electrical symbols
Symbol Meaning Symbol Meaning
Direct current Alternating current
Direct current and alternating current Ground connection
A grounded terminal which, as far as
the operator is concerned, is grounded
via a grounding system.
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