Safety
6 - EN FEX300, FEX500 CI/FEX300/FEX500-EN
1.2 Intended use
This device is intended for the following uses:
• To transmit fluid, pulpy or pasty substances with electrical conductivity.
• To measure the flowrate of the operating volume or mass flow units (at constant pressure /
temperature), if a mass engeineering unit is selected.
The following items are included in the intended use:
• Read and follow the instructions in this manual.
• Observe the technical ratings; refer to the section 1.10 „Technical limit values“.
• Use only allo
wed liquids for measurement; refer to the section 1.11 „Allowed Fluids“.
1.3 Improper use
The following are considered to be instances of improper use of the device:
• Operation as a flexible adapter in piping, e.g., to compensate for pipe offsets, pipe vibrations,
pipe expansions, etc.
• As a climbing aid, e. g., for mounting purposes
• As a support for external loads, e. g., as a support for piping, etc.
• Adding material, e. g., by painting over the name plate or welding/soldering on parts
• Removing material, e. g., by spot drilling the housing
1.4 Target groups and qualifications
Installation, commissioning, and maintenance of the product may only be performed by trained
specialist personnel who have been authorized by the plant operator to do so. The specialist
personnel must have read and understood the manual and comply with its instructions.
Prior to using corrosive and abrasive materials for measurement purposes, the operator must
check the level of resistance of all parts coming into contact with the materials to be measured.
ABB Automation Products GmbH will gladly support you in selecting the materials, but cannot
accept any liability in doing so.
The operators must strictly observe the applicable national regulations with regards to
installation, function tests, repairs, and maintenance of electrical products.
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