IFM SU2020 - Interference; Installation Position; Recommended Installation Position

SU2020 SU8020 SU2021 SU8021 SU2621 SU8621 Ultrasonic flow meter
10
ATTENTION
Sensor damage
w Higher tightening torques (>50Nm) will permanently deform and damage the unit.
u To tighten the adapters on the sensor, use a screwing tool that allows you to set a fixed
tightening torque.
After installation, air bubbles in the system can affect the measurement. Corrective measures:
u Rinse the system after installation for ventilation.
5.2 Interference
Structures in the pipe, bends, valves, reducing pieces and the like affect the function of the unit.
u Adhere to the distances between sensor and interference.
S S
5 x D
1 x D
F
Fig.2: inlet and outlet sections
D: outside diameter of the pipe
S: interference
5.3 Installation position
5.3.1 Recommended installation position
u Install the unit so that the measuring pipe is always completely filled.
u Install in front of or in a rising pipe.
If air bubbles can form in the pipe system:
u In case of horizontal installation, mount the sensor with the display on the side of the pipe
(A).