YF-S201 Water Flow Sensor Flowmeter Hall Effect Water Control Sensor 1-30L/min 2.0MPa
● In Stock
| SKU | AT-0117 |
| Category | Sensors |
| Availability | In Stock |
| Shipping | Countrywide delivery · Free on orders over KSh10,000.00 |
Description
A compact Hall effect flowmeter designed to accurately measure the flow of water and other non-corrosive liquids in pipes and tubing systems — that is the YF-S201 Water Flow Sensor. It is widely used in Arduino, ESP32, Raspberry Pi, smart water control systems, automatic dispensers, irrigation systems, industrial automation, and DIY electronics projects. The sensor contains an internal rotor and Hall effect sensor. As water passes through the sensor, the rotor spins and generates electrical pulse signals. The frequency of these pulses is directly proportional to the water flow rate, allowing a microcontroller to calculate both instantaneous flow and total volume of water used. The YF-S201 supports
Key Features
- Hall effect water flow sensor
- Approximately 450 pulses per liter
- Standard 1/2-inch threaded pipe connection
- Easy to connect to Arduino, ESP32, STM32, Raspberry Pi, and PLC systems
- Suitable for water flow monitoring, automation, and liquid control projects
Specifications
| Flow range | 1–30 L/min |
|---|---|
| Maximum water pressure | 2.0 MPa |
| Operating voltage | 5V–18V DC |
| Output signal | 5V TTL pulse |
| Accuracy | approximately ±10% |
| Current consumption | up to 15mA at 5V |
| Operating temperature | -25°C to +80°C |
| Three-wire interface | Red = VCC, Black = GND, Yellow = Signal |
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