Water Flow Sensor YF-S201 (1/2" BSP)

YF-S201 1/2" Turbine Water Flow Sensor (1-30 L/min)

The YF-S201 flow meter connects inline with standard 1/2" plumbing. Water passing through spins a magnetic pinwheel turbine, inducing digital frequency pulses in an integrated Hall-effect sensor. Flow rate and totalized liquid volume are calculated by counting pulse frequency.

Specifications

• Pipe Connection: 1/2" (DN15) male thread
• Flow Rate Range: 1 to 30 Liters per minute
• Pulse Factor: F = (7.5 × Q) ± 3% (where Q is flow in L/min, ~450 pulses/Liter)
• Operating Voltage: 4.5V to 18V DC (Current: 15 mA @ 5V)
• Maximum Water Pressure: ≤ 1.75 MPa (17.5 bar)
• Working Temperature: -25°C to +80°C