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YF-S401 1/8” Water Flow Sensor Hall Effect Flow Meter

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The YF-S401 Water Flow Sensor is a compact and accurate flow measurement device designed for monitoring water flow in pipes and small fluid systems. It uses a Hall effect sensor and rotor mechanism to detect water flow and generate pulse signals proportional to the flow rate.

Technical Specifications

Parameter Specification
Model YF-S401
Pipe Size 1/8 inch
Flow Detection Type Hall Effect Sensor
Output Signal Digital Pulse
Operating Voltage 5V – 24V DC
Operating Current Low power consumption
Flow Range ~0.3 – 6 L/min (typical)
Accuracy ±10% (typical)
Material Plastic body
Connector Type Threaded inlet/outlet

Applications

  • Arduino water flow monitoring
  • Smart irrigation systems
  • Water dispensers and vending systems
  • Coffee machines and fluid control
  • Laboratory flow measurement
  • IoT and automation projects
  • DIY electronics and robotics

Ensure your order is placed by 2PM to guarantee next-day delivery! Our commitment to prompt service includes a 24-hour delivery system through our network of carriers, aimed at ensuring your package arrives right on schedule.

Please note, a delivery fee of €4.99 applies for orders under €50. For those in remote areas, be aware that our couriers may apply an extra surcharge. This additional fee helps cover the costs of transporting your items to harder-to-reach locations.