A water sensor is a device used in the detection of the water level for various applications. Water sensors can come in several variations that include ultrasonic sensors, pressure transducers, bubblers, and float sensors.
Water Level Sensor Specifications
You can find the specifications of the Water Level Sensor below,
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Operating Voltage Range – 3 to 5 V
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Current Consumption – 3 to 41 mA
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Output Voltage Range – 0 to 3.85 V
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Sensor Output Type – Typically Analog, but possible to interface with Digital Pins
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Water Detection Area – 40mm Height x 16mm Width
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Operating Humidity – 10% to 90%
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Working Temperature – -30 to 50 °C
It is suggested not to operate the sensor with more than 5V as higher voltage increases current consumption, which also proportionally increases the act of electrolysis in the liquid medium and may result in changing some characteristics of that liquid. One thing to note is that the output voltage will not be constant for a particular level of water over time due to the process of electrolysis, but as per observation, it is quite stable in water that is in motion.
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