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S401 1/4 Water Flow Sensor for Dispenser / Coffee Machine - White
Wiring: red: positive£¬ black: negative£¬ yellow: pulse signal output; 1/4" interface: connect 6mm (external diameter) PE pipe£¬ inlet water inner diameter can be 2.5~4mm; Flow: 2.5mm: 0.5~3L/min£¬ 3mm: 0.5~4L/min£¬ 4mm: 0.5~6L/min. Resistant pressure: 0.35MPa; Working voltage: DC 5~24V; Insulation resistance: >100Mohm; Accuracy: 0.15~3L/min; Output pulse high level: >DC 4.7V; Output pulse low level: >DC 0.5V; Output pulse duty circle: 50%+/-10%