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%