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The magnetic level sensor isusing a float containing a magnet to detect one or multiple water levels in a tank or pond. Reliable, accurate, and robust, it enables monitoring and automation of pumps, valves, or alarms.
Magnetic Level Sensor
The magnetic level sensor isusing a float containing a magnet to detect one or multiple water levels in a tank or pond. Reliable, accurate, and robust, it enables monitoring and automation of pumps, valves, or alarms.
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Magnetic Level Sensor
Operating Principle
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The magnetic level sensor uses a float containing a magnet that moves with the liquid level.
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Inside a guide tube, magnetic contacts (reed switches) or Hall effect sensors detect the float’s position.
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This detection allows monitoring the water level and generating an electrical signal corresponding to one or multiple thresholds.
Typical Features
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Type: single point (one threshold) or multiple points (several levels).
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Measuring range: from a few centimeters to several meters, depending on tube and float size.
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Materials: stainless steel, plastic (PVC, PP) for corrosion and water resistance.
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Mounting: vertical in a tube or fixed to the tank wall.
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Output: dry contacts ON/OFF, digital signal, sometimes compatible with PLCs or alarm systems.
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Power supply: usually passive (reed switch) or low voltage for Hall effect sensors.
Advantages in Aquaculture
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Accurate and reliable for detecting multiple levels in a pond or tank.
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Robust: little affected by bubbles, foam, or turbulence.
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Economical and easy to install compared to complex electronic sensors.
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Enables automation of pumps, valves, or alarms based on water level.
