Safety Instructions; Designated Use; Installation, Commissioning And Operation; Operational Safety - Endress+Hauser OTMT84 Bedienungsanleitung

Safety instructions

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 transmitter with either one or two
temperature sensor inputs for resistance thermometers (RTD), thermocouples (TC) and
resistance and voltage transmitters. The device is designed for mounting in a terminal head,
flat face, as per DIN EN 50446.
• The manufacturer cannot be held responsible for damage caused by misuse of the unit.
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, the applicable, country-specific standards, legal regulations and
certificates (depending on the application).
• The specialist staff must have read and understood these Brief Operating Instructions and
must follow the instructions they contain. If any areas are unclear in the Brief Operating
Instructions, you must use the Operating Instructions which contain detailed information on
the device/measuring system.
• Modifications and repairs are not permitted on the device unless explicitly permitted by the
Operating Instructions.
• Damaged devices which could constitute a source a danger must not be put into operation and
must be clearly indicated as defective.
• Invariably, local regulations governing the opening and repair of electrical devices apply.
1.3

Operational safety

Please pay particular attention to the technical data on the nameplate! The nameplate is located
on the side of the transmitter housing.
Hazardous areas
When using in hazardous areas, the national safety requirements must be met. Separate Ex
documentation applies to measuring systems that are used in hazardous areas. Strict
compliance with the installation instructions, ratings and safety instructions as listed in this
supplementary documentation is mandatory.
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Dual-input temperature transmitter