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Safety and Qualification
2.2
General Safety Information
Unauthorised access!
Ensure that there can be no unauthorised
access to the device.
Only trained personnel may fit, install, maintain
and operate this sensor.
Functional limitations
Regularly check the sensor for dirt.
Check the diaphragm cap regularly for air bub‐
bles adhering to it (visual check).
Observe the applicable national guidelines
relating to maintenance, service and calibration
intervals.
Operational prerequisites
Only use the sensor in bypass fittings that
ensure the correct flow parameters (l/h, see
Technical Data).
Ensure that there is a free flow or at most a
back pressure of 1 bar at the outlet of the
bypass fitting. Note the maximum operating
pressure for the individual components.
Do not disconnect the power supply to the
sensor.
It is necessary to run in and recalibrate the
sensor following longer interruptions to the
power supply (> 2 h).
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