Water Flow Sensor, Flow Sensor

Key Features

Measures real-time water flow with high digital accuracy (±3%)
Wide measurement range: 0.3–60 L/min for flexible applications
Fast response pulses ensure instant flow tracking
Designed for easy integration with Arduino, ESP32 & IoT platforms
Corrosion-resistant housing for long service life
Low pressure drop keeps your water system efficient
Compact and lightweight—perfect for DIY and embedded systems
Energy-efficient 5–18V DC operation for smart setups
Plug-and-play installation with simple pulse output signal
CE and RoHS certified for global reliability and safety

Water Flow Sensor – Accurate, Real-Time Flow Measurement for Smart Water Systems & IoT

Product Description

The Water Flow Sensor is a high-precision electronic device designed to measure the rate of water flow through pipes in real time. Using a magnetic or Hall-effect turbine design, it converts flow speed into electrical pulses, providing stable and accurate readings for smart water management, industrial automation, and home IoT applications.

Unlike conventional mechanical meters, this digital water flow sensor offers fast response, low pressure loss, and seamless integration with microcontrollers such as Arduino, ESP32, or Raspberry Pi. Its durable build and corrosion-resistant materials ensure reliable operation across a wide range of water conditions—from household plumbing to commercial irrigation and fluid control systems.

With factory calibration and wide compatibility, the Water Flow Sensor simplifies monitoring, prevents overuse, and helps users maintain consistent water control across smart systems and industrial processes.

Advantages of Water Flow Sensor

High-accuracy digital flow measurement for precise water monitoring and control
Wide flow range: 0.3–60 L/min (depending on model)
Typical accuracy ±3% F.S., ensuring consistent data across varying conditions
Quick response pulses for real-time flow detection
Low pressure drop design minimizing impact on fluid systems
Corrosion-resistant and durable housing, suitable for long-term water applications
Compatible with Arduino, ESP8266, Raspberry Pi, and industrial controllers
Low power consumption, ideal for smart IoT and battery-powered setups
Factory calibrated for dependable output signals
RoHS compliant and globally distributable

Water Flow Sensor Specifications

Parameter	Specification
Sensor Type	Hall-effect digital flow sensor
Flow Range	0.3 – 60 L/min (model dependent)
Accuracy	±3% F.S. typical
Output Type	Pulse frequency signal
Operating Voltage	5V – 18V DC
Output Frequency	7.5 × Q (L/min ± 10%) Hz
Operating Temperature	0°C – 80°C
Max. Operating Pressure	≤1.75 MPa
Housing Material	Nylon, Brass, or Stainless Steel
Inner Diameter	G1/2”, G3/4”, or G1” options
Response Time	≤100 ms
Start Flow	≤0.3 L/min
Calibration	Factory calibrated
Compliance	RoHS, CE certified

Typical Applications of Water Flow Sensor

Smart Home & IoT Systems

Real-time water usage monitoring in smart faucets and showers
Leak detection and water management in smart plumbing systems
Integration with smart controllers for efficient consumption alerts

Agriculture & Irrigation

Automated irrigation systems with precise water delivery
Flow control in greenhouses and crop watering networks
Preventing over-irrigation through IoT-based monitoring platforms

Industrial & Commercial Monitoring

Liquid flow measurement in cooling and filtration systems
Beverage and chemical process control
HVAC and water circulation tracking in industrial environments

DIY & Maker Projects

Arduino, ESP32, or Raspberry Pi water monitoring projects
DIY smart plant watering systems
Educational kits for fluid dynamics and IoT data logging

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