The flow sensor is used to read the speed of water flowing through the lines. It detects even a small flow of liquid. It can be used in various DIY projects. Technical data: Model: YF-S402 Hydraulic connector: 1/4" with nuts for attaching hoses Operating Voltage: DC 3.5V-24V Flow pulse characteristics: F=98*Q; Q=L/min Precision: 3% Output current: <10mA Flow range: 0.3-6L/min Max water pressure: <0.8MPa Work Temperature: 0℃~80℃ Work Humidity: 5%~90%RH Dimensions: 79x36x27 mm Wire length: 150mm Electrical connector: JST 2.54mm 3-pin https://elecena.pl/product/22635615/0-3-6l-min-1-4-water-flow-sensor-yf-s402 2023-02-25 https://elecena.pl/product/22635615/0-3-6l-min-1-4-water-flow-sensor-yf-s402 2025-10-29