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1 Safety Instructions
Correct use
Installation, commissio-
ning and operation
Operational safety
Returns
46
1
Safety Instructions
Safe and secure operation of the head transmitter can only be guaranteed if the operating instruc-
tions and all safety notes are read, understood and followed.
1.1
Correct use
• The unit is a universal, presettable temperature transmitter for resistance thermometer (RTD),
thermocouple (TC) and resistance and voltage sensors. The unit is constructed for mounting in a
connection head (form B) and a field housing.
• The manufacturer cannot be held responsible for damage caused by misuse of the unit.
• Separate Ex documentation is contained in this operating manual, for measurement systems in
hazardous areas. The installation conditions and connection values indicated in these instructions
must be followed!
1.2
Installation, commissioning and operation
The unit is constructed using the most up-to-date production equipment and complies to the safety
requirements of the EU guidelines. However, if it is installed incorrectly or is misused, then certain
application dangers can occur. Installation, wiring and maintenance of the unit must only be done
by skilled personnel who are authorised to do so by the plant operator. Authorised personnel must
have read and understood these instructions and must follow them to the letter. The plant operator
must make sure that the measurement system has been correctly wired to the connection sche-
matics.
1.3
Operational safety
The unit complies with the safety requirements to IEC 61010, EMC guideline IEC 61326 and
NAMUR NE 21. The manufacturer reserves the right to change the technical data without notifica-
tion if this advances the technical development. Details regarding the validity and further expansi-
ons to these instructions can be obtained from your nearest sales office.
1.4
Returns
On transport damage, please contact both the supplier and shipping agent.
TMT184
Endress+Hauser
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