Safety instructions
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Safety instructions
1.1
Designated use
• The device is a universal and configurable temperature field transmitter for resistance
thermometers (RTD), thermocouples (TC) and resistance and voltage transmitters. The device is
designed for installation in the field.
• The manufacturer does not accept liability for damage caused by improper or non-designated use.
1.2
Installation, commissioning, operation
Please note the following:
• Mounting, electrical installation, commissioning and maintenance of the device must only be
carried out by trained technical personnel authorised to perform such work by the owner-
operator. They must have read and understood these Operating Instructions and must follow the
instructions they contain.
• The device may only be operated by staff authorised and instructed by the owner-operator. Strict
adherence to the instructions in these Operating Instructions is mandatory.
• The installer must ensure that the measuring system is correctly connected in accordance with
the electrical wiring diagrams.
• Observe local regulations governing the opening and repair of electrical devices.
1.3
Operational safety
The measuring device meets the general safety requirements of EN 61010 and the EMC
requirements of EN 61326 as well as NAMUR recommendations NE 21, NE 43 and NE 89.
Warning!
Power must be fed to the device from an 11 to 40 VDC power supply in accordance with NEC Class
02 (low voltage/current) with short-circuit power limit to 8 A/150 VA.
Hazardous area
Separate Ex documentation is provided for measuring systems used in hazardous areas. This
documentation is an integral part of these Operating Instructions. The installation instructions and
connection data it contains must be observed!
1.4
Return
To reuse later or in case of repair, the device must be packed in protective packaging, preferably the
original packaging. Repairs must only be carried out by your supplier's service organisation or
specially trained personnel.
Enclose a note describing the fault and the application when sending the unit in for repair.
TMT142
Endress+Hauser