Endress+Hauser tmt142 - Notes on safety conventions and icons

Safety instructions TMT142 HART®
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with the installation instructions, ratings and safety instructions as listed in this supplementary
documentation is mandatory. The documentation number of this document (XA) is also
indicated on the nameplate.
Electromagnetic compatibility
The measuring system complies with the general safety requirements in accordance with
EN 61010 and the EMC requirements of IEC/EN 61326 and NAMUR Recommendations
NE 21, NE 43 and NE 89.
NOTICE
Power supply
‣ Power must be supplied to the device from a 11 to 40 VDC power supply in accordance with
NEC Class 02 (low voltage/current) with short-circuit power limitation to 8 A/150 VA.
1.4 Notes on safety conventions and icons
Always refer to the safety instructions in these Operating Instructions labelled with the
following symbols:
Symbol Meaning
A0011190-EN
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can
result in serious or fatal injury.
A0011191-EN
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can
result in minor or medium injury.
A0011192-EN
NOTICE
This symbol contains information on procedures and other facts which do not
result in personal injury.
A0012751
ESD - Electrostatic discharge
Protect the terminals against electrostatic discharge. Failure to comply with this
instruction can result in the destruction of parts of the electronics.