TMT142 HART®
1
Safety instructions
WARNING
!
Electric shocks can cause death or serious injury
‣
Proceed with extreme caution when working with cables and terminals. If the
device/measuring system is installed in a high-voltage environment and a malfunction or
installation error occurs, high voltage can be present at the terminals or the
device/measuring system itself.
1.1
Designated use
• The device is a universal and configurable temperature field transmitter with one
temperature sensor input for resistance thermometers (RTD), thermocouples (TC) and
resistance and voltage transmitters. The unit is designed for mounting in the field.
• Using the device for any purpose other than that described jeopardizes people' s safety, and the
safety of the entire measuring system, and is therefore not permitted.
• The manufacturer does not accept liability for damage caused by improper or non-designated
use.
1.2
Installation, commissioning and operation
Note the following points:
• The device may only be installed, connected, commissioned and maintained by properly
qualified and authorized staff (e.g. electrical technicians) in strict compliance with these
Operating Instructions, applicable standards, legal regulations and certificates (depending on
the application).
• The specialist staff must have read and understood these Operating Instructions and must
follow the instructions they contain. If any areas are unclear in the Brief Operating
Instructions, you must read the Operating Instructions which contain detailed information on
the measuring system.
• The device may only be modified or repaired if expressly permitted in the Operating
Instructions.
• Damaged devices may not be put into operation and must be marked as defective.
1.3
Operational safety
• The device is safely built and tested according to state-of-the-art technology and has left the
factory in perfect condition as regards technical safety. The applicable regulations and
European standards have been taken into account.
• Please pay particular attention to the technical data on the nameplate! The nameplate is on
the side of the housing.
Hazardous areas
Devices for use in hazardous areas are marked accordingly on the nameplate. When using in
hazardous areas, the national safety requirements must be met. Separate Ex documentation,
which is an integral part of these Operating Instructions, is supplied with the device. Compliance
Safety instructions
19