Used in a wide range of environments: Whether in water treatment systems, central air conditioning, or water-cooled applications, this SPDT R3/4 threaded paddle flow sensor switch effectively manages fluid flow. Suitable for non-corrosive liquids and gases, ideal for various industrial and commercial applications. Precise flow management: The sensor features an adjustment knob to manually set the flow control value, ensuring the flow rate meets industrial requirements. Stable repetitive action points support long-term stable operation without frequent adjustments. Intelligent automatic control: The flow sensor uses advanced microswitch technology and automatically responds when fluid flow exceeds the set value, enhancing system safety and efficiency. SPDT contacts allow control of a circuit simultaneously. Durable and reliable design: With an IP54 protection rating, it is suitable for harsh environments. The paddle sensor's contacts are designed to last up to 100,000 cycles, reducing maintenance costs and extending equipment service life. Compatible with multiple fluids: This flow sensor is not limited to water and oil but can also be used with other non-hazardous and non-corrosive fluids. Provides accurate flow control in chemical, food processing, and pharmaceutical industries. Extensive use: This flow switch is an automatic element that controls flow in pipes, suitable for water treatment systems, central air conditioning, water-cooled chillers, and related industries. Color: Red Material: Plastic + Metal Package Contents: 1 x Liquid Water Oil Flow Sensor Switch 3 x Accessories Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.