YF-S201 Water Flow Sensor

Specifications

• Power Supply Voltage: Operating Voltage: 5V to 18V DC / Recommended Operating Voltage: 5V DC
• Current Consumption: 15mA (at 5V DC)
• Flow Rate Range: 1 to 30 liters per minute (L/min)
• Output Type: Pulse signal (frequency)
• Output Pulse High Level: 5V (at 5V DC input)
• Output Pulse Low Level: 0V
• Pulse Frequency: F (Hz) = 7.5 * Q (L/min) [Where F is the frequency in Hertz and Q is the flow rate in liters per minute.]
• Accuracy: ±3%
• Operating Temperature: -25°C to +80°C
• Maximum Water Pressure: 2.0 MPa
• Dimensions: Length: 62mm / Diameter: 35mm / Height: 35mm

Pin Configuration

• Red Wire (VCC): Power supply input (5V to 18V DC)
• Black Wire (GND): Ground
• Yellow Wire (Signal): Pulse output signal

Features

• Easy to Use: Simple pulse output that can be easily read by microcontrollers.
• Wide Operating Range: Measures flow rates from 1 to 30 L/min.
• Robust Design: Durable plastic body with stainless steel shaft and rubber seal for reliable operation.
• Compact Size: Small form factor for easy integration into various projects.
• High Accuracy: ±3% accuracy for precise flow rate measurements.