Waterflow YFS401 Sensor Module
The YF-S401 Water Flow Sensor is a compact Hall-effect flow meter designed for accurate liquid flow measurement in water dispensers, coffee machines, water purifiers, smart irrigation systems, and IoT projects. Compatible with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontrollers, it generates pulse signals proportional to the water flow rate, enabling real-time monitoring and automation. Its compact design, high sealing performance, and reliable operation make it an excellent choice for DIY electronics, robotics, and industrial fluid control applications.
Technical Specifications:
- Model: YF-S401
- Nozzle / Thread Size: Standard 1/8″ (approx. 3.5 mm to 4 mm inner connection)
- Inner Diameter (ID): 4 mm
- Outer Diameter (OD) / Hose Connection: 7 mm (designed for a 6 mm flexible hose)
- Sensor Type: Hall Effect Water Flow Sensor
- Operating Voltage: 5V to 24V DC
- Maximum Operating Current: 15mA
- Flow Rate Range: 0.3 to 6 L/min
- Accuracy: ±3% to ±5%
- Maximum Water Pressure: 0.35 MPa
- Output Signal: Digital Pulse Frequency Output
- Operating Temperature: Up to 80°C
- Liquid Temperature: Up to 120°C
- Interface: 3-Wire (VCC, GND, Signal)
- Weight: Approx. 25-30g
- Applications: Water Purifiers, Coffee Machines, Smart Irrigation, Vending Machines, Flow Monitoring Systems, IoT Projects, Industrial Automation
₹265.00 exc. GST
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