Water flow sensor available in 1/2 in, 3/4 in, 1 in, and 2 in sizes. Part number 45293. Voltage: 5-18 V DC. Compatible with a wide range of power supplies and controller boards. Technology: Hall effect based sensor for accurate, stable water flow measurements. Function: Measures flow rate and can act as a water control or liquid sensor switch for precise system regulation. Quality: Model 45293 is designed to deliver consistent quality and reliable flow monitoring. Applications and scenarios: - Irrigation systems: monitor pump flow and automatically stop or adjust watering if flow is insufficient. - Aquariums or hydroponics: track circulation to ensure healthy water movement and trigger alerts if flow drops. - Cooling, filtration, or DIY projects: use with microcontrollers to read flow data and control valves or pumps in custom setups. This sensor provides practical, reliable flow measurement with versatile sizing and a straightforward 5-18 V DC power range, suitable for diverse water and liquid monitoring needs.