8 Installation
8.2 Installation considerations
To achieve and maintain the accuracy stated in the technical data, the
sensor must be inserted in a straight pipe section with unhindered flow
characteristics.
8.2.1 Inlet and outlet sections
Unhindered flow characteristics are achieved if the section in front of the
sensor (inlet) and behind the sensor (outlet) are sufficiently long,
absolutely straight, and free of obstructions such as edges, seams,
curves, and so on.
Make sure that enough space exists at your site for an adequate
installation as described in this manual.
ATTENTION!
The wrong measurement might occur if the sensor is
not installed correctly.
• Pay careful attention to the design of the inlet and outlet sections.
Obstructions can cause counter-flow turbulence as well as
turbulence in the direction of the flow.
• The sensor is for indoor use only! At an outdoor installation, the
sensor must be protected from solar radiation and rain.
Remark: If there is any combination of the following situations, the
longest straight inlet section must be maintained.
S430 17
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