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3. Safety
The sensor was designed, built and tested for safety and is shipped in this condition. Components within
the supplied system could be hazardous if not unpacked, installed, connected and commissioned by
authorised qualified persons. All operating instructions must be read, and understood, before handling the
system. Failure to do so will cause the warranty to be revoked.
3.1 Normal use
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The measuring system may only be installed for measuring the low flow rate in metallic pipes.
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Only original spare parts and accessories of ENVEA Process GmbH must be used.
3.2 Identification of hazards
Possible hazards, when using the measuring system, are marked by the following symbols:
Warning!
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This symbolises a situation where personal safety is at risk if used in an improper manner.
Attention!
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This symbolises the possible damage to the system, if used in an improper manner.
3.3 Occupational and operational safety
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The measuring system must be installed by trained and authorised personnel only.
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Protective equipment must be worn to avoid injuries caused by possible sharp edges on the
measuring device.
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When using a cable with more than 4 cores, unused, open cores may cause sparking. Failure
to comply with the specified connection parameters of the cable will result in loss of intrinsic
safety. To prevent this, it is mandatory to use a 4-core shielded cable.
Always ensure that the connection parameters of the cable are within the specification (Li, Ci).
The shield of the cable must not be connected to the housing under any circumstances.
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When installed in an Ex zone, there is an increased risk of explosion, so it should always be
ensured that there is no Ex zone when carrying out installation work.
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Improper installation work leads to an increased risk of explosion. The device must always be
installed using the process-related seals and observing the torques. Mechanical stresses are to
be avoided, for example through supported installation.
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In case of improper assembly, there is an increased risk of explosion due to escaping dusts.
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Improper mechanical stress (e.g. torsion) can cause damage to the device. To avoid this, the
device should always be installed in accordance with all the instructions in the operating manual.
The measuring device should also not be exposed to any vibrations if possible.
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If the device is operated under high pressured conditions, there is a risk of explosion. When
cleaning or blowing out the pipe and when transporting material, always ensure that the
permissible pressure according to the DGRL is not exceeded.
