SU2020 SU8020 SU2021 SU8021 SU2621 SU8621
Ultrasonic flow meter
10
ATTENTION
Sensor damage
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Higher tightening torques (> 50 Nm) will permanently deform and damage the unit.
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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:
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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.
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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
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Install the unit so that the measuring pipe is always completely filled.
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Install in front of or in a rising pipe.
If air bubbles can form in the pipe system:
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In case of horizontal installation, mount the sensor with the display on the side of the pipe
(A).