Description

YF-S201 Water Flow Sensor

The YF-S201 Water Flow Sensor is a high-precision device designed to measure the rate of liquid flow in pipelines. It features a hall-effect sensor that outputs a pulse signal proportional to the water flow, making it ideal for use with Arduino, ESP32, and Raspberry Pi in IoT, automation, and water management projects.

Features

• Measures liquid flow rates accurately using hall-effect sensing
• Durable plastic housing resistant to corrosion and water pressure
• Easy-to-use pulse output signal for microcontroller interfacing
• Compact design with threaded inlet and outlet for easy installation
• Works with both digital and analog systems

Specifications

• Model: YF-S201
• Operating Voltage: 5V – 18V DC
• Output Type: Pulse signal (hall-effect)
• Flow Rate Range: 1 – 30 L/min
• Pulse Frequency: 450 pulses/L (approx.)
• Inner Diameter: 11 mm
• Material: Plastic body, stainless steel axle
• Connector: 3-pin (VCC, GND, Signal)

Applications

• Water consumption monitoring
• Smart irrigation systems
• Liquid dispensing machines
• Water flow measurement in home automation
• IoT-based water management projects

Why Choose This Sensor

Reliable, accurate, and easy to integrate , the YF-S201 Water Flow Sensor is the perfect solution for engineers, students, and makers building smart water monitoring or IoT flow measurement systems.