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SL010x SL030x
4 Function
•
The unit detects flow based on the calorimetric measuring principle.
•
The unit signals when a set airflow is reached by switching a relay and providing an LED signal:
Flow...
above the set value
below the set value
*Information on the unit type (NO or NC) Ò Technical data at http://documentation.ifm.com.
6
Output relay*
• Normally open: relay energises.
• Normally closed: relay de-energises.
• Normally open: relay de-energises.
• Normally closed: relay energises.
Airflow monitor
LED
green
red
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