Sensor installation
General Instruction Manual
Installation
IM 01U10B00-00EN-R, 3rd edition, 2018-07-09
27 / 90
6.3 Sensor installation
6.3.1 General installation rules
DANGER
Risk of injury due to escaping fluids, if pipe connection is faulty
▶ Correct slope and mismatch of pipe connections before inserting the sensor.
Fig.19: Avoid: Slope and mismatch
▶ Avoid fixing anything directly to the sensor. Doing so may result in increased devia-
tions.
Fig.20: Installation to be avoided: Fixing the sensor
1 Pipe
2 Sensor
▶ Secure pipes before installing the flow meter.
▶ Avoid damaging the process connections.
▶ Flush new pipes before installing the flow meter to remove foreign matter, such as
shavings or other residues.
Avoiding creation of noise
Zero point stability is a prerequisite for exact mass flow measurement. Insufficient instal-
lation may lead to mechanical tensions or flow noise which impact zero point stability.
Countermeasures to help avoid noise creation:
▶ Support sensor weight by using soft coupling (silicone or other types of cushioning
materials).
▶ Avoid bending or tensioning the sensor while aligning the pipe.
▶ Avoid reductions or expansions in pipe directly up- or downstream of flow meter.
▶ Avoid placing control valves, apertures or other devices generating noise near the
sensor.
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