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SDP110
Air gap sensor
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5.2 Installation location
Fig. 7: Installation location
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For the continuous elimination of condensation water and particles in
the compressed air system, make sure the unit is installed in a
position higher than the measuring nozzles.
5.3 Process connection
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Fit the unit in the pipe in accordance with the flow direction (arrow on the unit):
IN
OUT
Tighten both adapters in opposite direction by applying the defined tightening torque of 50 Nm:
5.4 Pneumatic connection technology
Note when selecting the right push-in fitting:
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Avoid cracks or tapering between the sensor and the push-in fitting.
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Do not use threads with hexagon socket mounting.
They can have a negative impact on the flow profile of the sensor and lead to an increased
inaccuracy of the measured signal.
Recommended push-in fittings: Festo QS-G1/4-6 or QS-G1/4-8 connection
5.5 Rating of the measuring tubes
The response time of the system is mainly determined by the design of the pneumatic system.
Changes in pneumatic pressure are transferred with a time delay since air is compressible.
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Minimize the flow restriction of the measuring tubes (surface quality, cross-section changes,
connections, etc.).
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Make sure that the measurement connection is tight.
Leakage can result in a change of the measurement result.