Heinrichs Messtechnik
Installation and Operation Manual PITe
Page 10 of 22
7 Installation / Conditions of use
7.1 Installation requirements
Screws, bolts, nuts and seals are not supplied by Heinrichs Messtechnik GmbH and must therefore be
provided by the operator. So not to damage any part of the sensor during installation, only use tools
specifically designed for intended purpose.
7.1.1
Examples of installation positions
To ensure the indicated accuracy, the installation must be performed according to EN 29104
"Measurement of Fluid Flow in Closed Conduits – Methods of Evaluating the Performance of
Magnetic-Inductive Flow meters." Based on this standard, the minimum straight run of pipe ahead of
the inlet must be 10 pipe diameters (
≥
10 x DN) and 5 pipe diameters following the outlet (
≥
5 x DN)
[DN = nominal diameter of pipe].
The limits for the product and ambient temperature must be met at the mounting location. Corrosive
atmospheres must be avoided.
Before installing the device in the pipeline, Please consider the space requirements
needed for a potential deinstallation of the device.
Horizontal pipeline routing
Where possible install the sensor in slightly ascending pipes. This practice will minimise the possibilies
of air pockets or drainage of the installation pipe.
In the top section of the pipe, air pockets may accumulate around the sensor head causing large
fluctuatios in the measurement. In declining sections of the pipeline, pipes may drain, also generating
errors in the measurement.
