The YF-S402B Flowmeter 0.3-6L/min Water Flow Sensor is a reliable sensor for measuring liquid flow rates in various applications. With a detection range of 0.3 to 6 liters per minute, this sensor provides accurate flow measurements, making it ideal for water dispensers, irrigation systems, and fluid monitoring projects.
Specifications
Model: YF-S402B
Flow Range: 0.3 – 6 L/min (liters per minute)
Water Pressure: ≤ 1.75 MPa
Operating Voltage: DC 5V to 24V
Output Type: Pulse signal
Output Pulse Duty Cycle: 50% ±10%
Flow Rate to Pulse Frequency Ratio: 98 Hz = 1 L/min
Flow Pulse Characteristics:
Pulse Rate Formula: 6L/min corresponds to approximately 588 Hz
Flow Rate: Q (L/min) = (Pulse Frequency / 98)
Material:
Body: Nylon (PA66, food-grade material)
Impeller: POM (Polyoxymethylene)
Shaft: Stainless steel (anti-rust and durable)
Connector: G1/4” (1/4″ external pipe thread)
Cable Length: Approx. 150 mm
Operating Temperature: -25°C to +80°C
Storage Temperature: -30°C to +85°C
Accuracy: ±3% (in the range of 0.3 – 6 L/min)
Humidity: 35% to 90% RH (Relative Humidity)
Size:
Total Length: 60 mm
Width: 26 mm
Height: 22 mm
Weight: Approximately 30 grams
Electrical Characteristics
Signal Output: The hall effect sensor generates a pulse signal, which can be read via microcontrollers like Arduino, Raspberry Pi, etc.
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