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• Product Name: 12V Water Level Automatic Controller Liquid Sensor Switch Solenoid valve Motor Pump automatic management Relay BoardPackage inlcuded:1 x DC 12V AC 9V Liquid Level Controller Sensor ModuleHighly recommend the " High Mid Low level indicator" version:click Description: 1 Working voltage: DC 12-15V(AC 9-12V) 2 Standby latest 10MA three Working recent 40MA four Size: 54mm X 27mm X 19mm five Weight: 24 g 6 Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC Note: Package doesn't involve probe (wire) deserve to use a committed probe, the probe would be made utilizing family wires For safety, use an AC/DC energy delivery with good isolation Application Home water tower automatic water delivery formulation Aquarium Fish tank Water Changer System Conductive liquid automated control Automatic feeding method for poultry and farm animals Farm automatic water delivery method And different events that require automated water delivery and water change Solenoid valve water pump motor automated management Interface description: HIGH : Upper limit probe OUT : Output probe LOW : Lower limit probe IN+ : Power terminal 1 (regardless of positive and negative) IN- : Power terminal 2 (regardless of fine and negative) NC : Relay normally closed contact COM : Relay ordinary contact NO : Relay usually open contact Working principle: The water point rises: When the water level is lower than the "Low level", the water pump begins to offer water to the water tower; when the water level is larger than the "High level", the water pump stops supplying water Water level reduction: When the water level is lower than the "High level", the water pump does not paintings and the water level continues to decrease When the water point is lower than the "Low water level", the water pump starts to offer water to the water tower

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