YF-S201 Water Flow Sensor

Features: Model: YF-S201 Sensor Type: Hall effect Working Voltage: 5 to 18V DC (min tested working voltage 4.5V) Max current draw: 15mA @ 5V Output Type: 5V TTL Working Flow Rate: 1 to 30 Liters/Minute Working Temperature range: -25 to +80? Working Humidity Range: 35%-80% RH Accuracy: ?10% Maximum water pressure: 2.0 MPa Output duty cycle: 50% +-10% Output rise time: 0.04us Output fall time: 0.18us Flow rate pulse characteristics: Frequency (Hz) = 7.5 * Flow rate (L/min) Pulses per Liter: 450 Durability: minimum 300,000 cycles Cable length: 15cm 1/2″ nominal pipe connections, 0.78″ outer diameter, 1/2″ of thread Size: 2.5″ x 1.4″ x 1.4″ Connection details: Red wire : +5V Black wire : GND Yellow wire : PWM output.

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