G1/2 Hall Effect Water Flow Sensor Switch Flowmeter DC 5V 1-30 L/min Black YF-S201 4-Wire Waterproof Liquid Flow Sensor With Stainless Steel Shaft And Nylon Body For Precise, Easy Install Monitoring

Water Flow Sensor YF-S201, 1-30 L/min, 5V, IP65
✔️ 4-wire Hall sensor, nylon body, 62x36x34mm (2.44x1.42x1.34in)

This compact water flow sensor uses a Hall effect to measure flow in pipelines and appliances. Its IP65-rated nylon body and stainless steel shaft resist wear and moisture, making it ideal for water heaters, cooling loops, and DIY projects.

✅ Flow range: 1-30 L/min
✅ Rated voltage: DC 5V
✅ Max water pressure: 1.75 MPa
✅ IP rating: IP65
✅ Material: Nylon shell, stainless steel shaft
✅ Connector: 4-wire with red (+), black (-), yellow pulse, green temp
✅ Thread: G1/2
✅ Cable length: 390mm (15.35in)
✅ Package: 1 x Water Flow Sensor

💡 What is a water flow sensor used for in DIY and industrial systems? This handy device helps monitor, measure, and control liquid flow in pipes and equipment.

• Applications: heating systems, boilers, coffee makers, irrigation, and process lines
• Integration: clean pulse output for microcontrollers and PLCs
• Reliability: IP65 waterproof nylon body, stainless steel shaft