Description: Our water flow sensor is made of high-quality copper material, very sturdy and durable to use, it is a kind of G3/4" type water flow sensor, its maximum water pressure is 1.75MPa and the range of flow is from 2L/min to 45L/min. Lightweight and has compact size, stable performance, low water pressure start, very easy to install and safe to use. And it can be perfectly used for water heaters, water dispenser, water purifier, water vending machine, coffee maker, flow measurement device, water control machine and so on. Features: Made of high-quality copper material, environmental-friendly, really sturdy and durable to use. G3/4" type water flow sensor, its maximum water pressure is 1.75MPa, the range of flow is from 2L/min to 45L/min. Three wire connection: Red for positive pole, black for negative pole, yellow for pulse signal. There is an integrated hall effect sensor that outputs an electrical pulse with every revolution. The hall effect sensor is sealed from the water pipe and allows the sensor to stay safe and dry. Lightweight, reasonable size, stable performance, low water pressure start, easy to install, safe to use. Can be perfectly used for water heaters, water dispenser, water purifier, water vending machine, coffee maker, flow measurement device, water control machine and so on. Specifications: Condition: 100% Brand New Material: Copper Color: Shown as picture Type: G3/4"(External Thread Diameter) Water Quality Requirement: ≤60℃ Start Flow Range: 1.5L/min Flow Range: 2-45L/min Maximum Water Pressure: 1.75MPa Working Voltage Range: DC4.5-18V Max Current: 10mA Insulation resistance:＞100MΩ Electrical Strength: AC500V, 50Hz Copper Switch Length: Approx. 45mm / 1.8inch Wire Length: Approx. 35cm / 13.8inch Weight: Approx. 110g Package Included: 1 x Water Flow Switch Features High-Quality Copper Material: Made of high-quality copper, this water flow sensor is environmentally friendly, sturdy, and durable, ensuring long-lasting performance and reliability. Integrated Hall Effect Sensor: Featuring an integrated hall effect sensor, this G3/4 water flow switch outputs an electrical pulse with every revolution, providing accurate and consistent flow measurement. The sealed sensor design ensures safety and reliability by keeping it dry and secure from the water pipe. Lightweight and Easy to Install: With its lightweight and reasonable size, this water flow hall sensor offers stable performance and low water pressure start, making it easy to install and use. Versatile Applications: This G3/4 water flow sensor is suitable for a wide range of applications, including water heaters, water dispensers, water purifiers, coffee makers, and water control machines, providing precise flow measurement and control. Wide Compatibility: This water flow sensor can be perfectly used for a variety of devices, such as water vending machines and flow measurement devices, offering versatility and adaptability for different usage scenarios.