G1/2 Brass Water Flow Sensor Hall Effect Turbine Meter 1-25L/min YF-B1/B2/B3
Q: What’s the difference between YF-B1, B2, B3, and B7 models?. Output Signal Hall Effect Pulse (Frequency = 11×Q L/min). Pulse Duty Cycle 50% ±10%. ⚡ High-Precision Hall Sensor. Professional Water Flow Sensor 💧.