4
1 Preliminary note
1.1 Symbols used
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Instruction
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Reaction, result
[…] Designation of buttons, switches or indications
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Cross-reference
Important note
Non-compliance can result in malfunctions or interference�
2 Safety instructions
• Please read this document prior to installing the unit� Ensure that the product is
suitable for your application without any restrictions�
• Work on compressed air equipment as well as mounting, setting for operation
and set-up of the unit must be carried out by suitably qualified personnel� When
doing so, state of the art, safety and accident prevention regulations must be
adhered to�
• Ensure that the installation is at a standstill and no pressure is applied before
mounting components into or removing them from compressed air equipment�
• Improper or non-intended use may lead to malfunctions of the unit or to
unwanted effects in your application� That is why installation, electrical con-
nection, set-up, operation and maintenance of the unit must be carried out by
qualified personnel authorised by the plant operator�
• In all applications test the compatibility of the product materials (→ 11 Technical
data and scale drawing) with the media to be measured�
• In order to guarantee the correct condition of the device for the operating time it
is necessary to use the device only for media to which the wetted materials are
sufficiently resistant (→ Technical data).
• The responsibility whether the measurement devices are suitable for the
respective application lies with the operator� The manufacturer assumes no
liability for consequences of misuse by the operator� Improper installation and
use of the measurement devices results in a loss of the warranty claims�
