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**Water Flow Sensor (FS300A G3/4")** A water flow sensor designed to measure the flow rate of liquids by generating pulse signals proportional to the water flow. It features a G3/4-inch threaded connection and is suitable for water monitoring, dispensing systems, irrigation, and automation projects. Operating voltage ranges from **3.5V to 24V DC** with a **flow range of 1–60 L/min**.