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   "name": "52mm liquid Level Sensor module",
   "description": "This Water Level Sensor Float Switch is a sensor used to sense the level of the liquid within a tank, it may further trigger a pump, an indicator, an alarm, or other device. Connecting it to controller such as Raspberry Pi or Arduino will enable more possible application. This water level float sensor is very easy to use. Act as a mechanical switch or dry contact, extended out into 2 wires. There is a float-able cylinder component surrounding the sensor. When the cylinder and at the bottom, the switch is open. When water level rises, it push the cylinder upwards and the switch closes. Because the output of sensor act like a switch, this sensor is compatible with any microcontroller including Raspberry Pi, Arduino, micro:bit, and more. Specifications Low pressure: maximum power: 10W Maximum alternating voltage: 100V DC Maximum alternating current: 0.5A Minimum voltage: 220V DC Maximum load voltage : 1A Maximum contact resistance: 100MΩ Temperature range: -20-+ 80'C High pressure: maximum power: 50W Maximum alternating voltage: 220V DC Maximum alternating current: 1.5A Minimum voltage: 300V DC Maximum load voltage: 3A Maximum contact resistance: 100MΩ Temperature range: -20-+ 80'C Wire Length: 40cm Applications: Hydroponics Saltwater Tank Freshwater Tank Gardening Aquariums for power head control Fish Tank It can be set to be installed from both the top and bottom. It can be set to cut low, continue low, and cut high, continue high (circuit). More Information Same Spec Items - SKU A-7501 Manufacturer OEM MPN A-7501 Can be used with -",
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     "value": "10 W",
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     "value": "3 A",
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     "value": "40 cm",
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