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Fluid level­ monitoring

When the pools at a waste water treatment plant are filled to a constant level, this causes undefined states for the float switches (a “flutter state”)
Product category:
Timing Relays
Industry:
Process industry
Series/Measures
Multifunctional – Function E
Product:
D6DQ 24VAC/DC / 110-240VAC
Data sheet:
Task:
When the pools at a waste water treatment plant are filled to a constant level, this causes undefined states for the float switches (a “flutter state”).
Solution
The use of the timing relay with Function E (switch-on delay) delays the reading of the switch contact until the next usable measurement, and thereby prevents “flutter switching”.
Use/value:
- Minimisation of faulty triggering and maintenance costs
- Motor protection by reducing the number of unnecessary system starts
- Increased reliability

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