Endress+Hauser Proline Promass 83 - Description of Measuring System; Directive 94;9;EC; General Warnings; Installation Instructions

0ATEX II3G Proline Promass 83, 84
20 Endress+Hauser
General warnings
• Compliance with national regulations relating to the installation, connection to the electricity supply,
commissioning and maintenance of devices in potentially explosive atmospheres is mandatory, if such
regulations exist.
• Installation, connection to the electricity supply, commissioning and maintenance of the devices must be
carried out by qualified specialists trained to work on Ex-rated devices.
• Compliance with all of the technical data of the device (see nameplate) is mandatory.
• Open the device only when it is de-energized (and after a delay of at least 10 minutes following shutdown
of the power supply).
• Ensure the operability of the seals. For type of protection Ex nR in particular: All seals on the transmitter
housing have to be checked for leak-tightness at suitable intervals and replaced if necessary. When replacing
the seals, only use genuine seals from Endress+Hauser.
• It is not permissible to connect the service adapter whilst the atmosphere is considered to be explosive.
• Use of the devices is restricted to mediums against which the process-wetted materials are adequately
resistant.
Installation instructions
• The measuring device must only be used in the permitted temperature class.
The values of the individual temperature classes can be found in the temperature tables ä 24.
• Turning the local display: the screw cap has to be removed before the local display can be turned, and this
must be done with the device de-energized (and after a delay of at least 10 minutes following shutdown of
the power supply).
• The cable entries and openings not used must be sealed tight with suitable components.
Directive 94/9/EC
The system meets the fundamental health and safety requirements for the design and construction of devices
and protective systems intended for use in potentially explosive atmospheres in accordance with directive
94/9/EC. Please see the identification at the namplate to find out the type of protection of the device.
Ex nR
The identification contains the following information
• Compact version:
•
Remote version:
Ex nA
The identification contains the following information
• Compact version:
• Remote version:
"
Caution!
The installation instructions for the safe application of the system must be observed ä 20.
Description of measuring
system
The measuring system consists of transmitters and sensors.
Two versions are available:
• Compact version: transmitters and s
ensors form a mechanical unit.
• Remote version: transmitters and sensors are separated by open ground when installed and connected to
each other via a connecting cable.
– Transmitter 0 II3G
Ex nR nC IIC/IIB T1-T5 or
Ex nR nC [nL] IIC/IIB T1-T5
– Sensor 0 II3G
Ex nR nL IIC/IIB T1-T5
– Transmitter 0 II3G
Ex nR nC [nL] IIC T5
– Sensor 0 II3G
Ex nR nL IIC/IIB T1-T6
– Transmitter 0 II3G
Ex nA nC IIB T1-T5 or
Ex nA nC [nL] IIB T1-T5
– Sensor 0 II3G
Ex nL IIB T1-T5
– Transmitter 0 II3G
Ex nA nC [nL] IIB T5
– Sensor 0 II3G
Ex nL IIB T1-T6