Installation Promag 53 PROFIBUS DP/PA
12 Endress+Hauser
3.2 Installation conditions
3.2.1 Dimensions
The dimensions and installation lengths of the sensor and transmitter can be found in the
"Technical Information" for the device in question. This document can be downloaded as a
PDF file from www.endress.com. A list of the "Technical Information" documents available is
provided in the "Documentation" section on → 184.
3.2.2 Mounting location
The accumulation of air or gas bubbles in the measuring tube could result in an increase in
measuring errors.
Avoid the following locations:
• At the highest point of a pipeline. Risk of air accumulating.
• Directly upstream from a free pipe outlet in a vertical pipeline.
A0011899
Fig. 6: Mounting location
Installing pumps
Do not install the sensor on the intake side of a pump. This precaution is to avoid low
pressure and the consequent risk of damage to the lining of the measuring tube. Information
on the lining's resistance to partial vacuum → 165.
It might be necessary to install pulse dampers in systems incorporating reciprocating,
diaphragm or peristaltic pumps. Information on the measuring system's resistance to
vibration and shock → 161.
A0011900
Fig. 7: Installing pumps
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