Water Sensor for Arduino

This Water sensor can be used to measure the humidity of potting soil. But it also can be used to measure a water level. Specifications: Working Voltage: DC 3-5V Working Current: <20mA Sensor Type: Simulation Detection Area: 40 mm x 16 mm Manufacturing Process: FR4 double spray tin Fixed Hole Size: 3.2 mm Humanized Design: Half moon sag nonskid treatment Working Temperature: 10 ?C to 30 ?C Work Humidity: 10% to 90% without condensation Size: 65 mm x 20 mm x 8 mm Optional Accessories: 3 pin sensor connecting line, Arduino 328 controller, Sensor relay shield SKU: RM001392 Category: Load Pressure Flow and Vibration Sensor Warehouse Code: R00018-S06-P01-Z01