Level Sensor Switch | 25A 220V for Water Pumps | DF-96DK Controller

This automatic water level controller works with higher-power pumps. Its 25A rating lets you manage larger pumps directly. The included level sensor probes give accurate readings. The controller can automate filling or draining without your constant attention. It's a water sensor pump controller. Features and Benefits - 25A 220V Capacity - It supports pumps up to 2kW. This is suitable for deeper wells or faster water transfer. - Automatic Pump Management - The probes act like a float switch water level system. They start the pump at a low point and stop it when full. - Protects Your Equipment - It has integrated dry run protection. This stops the motor if the water source is empty, preventing costly damage. - Ready-to-Install Kit - It includes the main water pump controller unit, three sensor probes, and 2-meter wire leads for a straightforward setup. Applications - Operating a water level controller for a submersible pump in a deep well. - Managing water supply for a large home, farm, or small commercial building. - Automating drainage systems that use a high-capacity pump. Mechanical / Float Sensors The DF-96DK Level Sensor Switch is a float switch, a common type of mechanical water level sensor. These sensors typically work by using a buoyant float that moves with the water level. Inside the float or the sensor housing, there's often a magnetic switch or a reed switch. As the float rises or falls, it actuates the switch, changing its state from open to closed (or vice versa). This action signals the water pump to turn on or off. This particular model has a 2m cable and a 25A current rating. Ultrasonic Sensors (Non-Contact) Ultrasonic sensors are non-contact devices that measure water levels by emitting sound waves and calculating the time it takes for the waves to return after bouncing off the water's surface. This "time-of-flight" measurement determines the distance to the water, and thus the level. Unlike the float switch, they don't have parts that come into direct contact with the liquid. These are often used where chemical compatibility or contamination is a concern. The product on this page is not an ultrasonic sensor. Submersible Hydrostatic Pressure Sensors Submersible hydrostatic pressure sensors work by measuring the pressure exerted by the column of water above them. The deeper the sensor is submerged, the greater the pressure. This pressure is then converted into an electrical signal, indicating the water level. These sensors are often robust and suitable for deep water applications. They typically use a core cable to transmit the signal. The Level Sensor Switch | 25A 220V for Water Pumps | DF-96DK Controller is a float switch, not a hydrostatic pressure sensor. Capacitive Sensors Capacitive sensors detect water levels by measuring changes in capacitance. As the water level rises or falls between two plates or around a probe, the dielectric constant changes, which alters the capacitance. This change is then converted into a signal that indicates the water level. They can be used for both conductive and non-conductive liquids. This type of sensor is different from the float switch featured, which operates mechanically to control a water pump. Optical Sensors Optical sensors determine water levels using light. They can work by detecting the presence or absence of water at a specific point, or by measuring the refraction or reflection of light as the water level changes. For example, some use an LED and a phototransistor; when water covers the tip of the sensor, the light path is altered, triggering the switch. The DF-96DK is a float switch and operates mechanically, not using optical principles.