Fangrui Product Details The Water Flow Sensor Is Easy To Clean, Easy To Install, Wear-, And Has A Long Service Life. Medium Used:water, Less Than Equal 60voltage:dc5v Rated Voltage/current:dc5v, Less Than Equal 10ma Insulation Resistance: 100 Mr Product Name:water Flow Sensor Electrical Strength:ac500v, 50hz Output Voltage: When The Rated Voltage Is Less Than Dc5v, The High Level Is Above 0.2v And The Low Level Is Below 0.2v When The Rated Voltage Is Or Equal To Dc5v: The High Level Is Above 0.5v, And The Low Level Is Below 0.5v Pulse Duty Cycle: Pressure Resistance Performance:less Than Equal 1.2mpa Flow Range:0.25-2.5l/min 1. To Prevent Particles And Debris From Entering The Sensor, A Filter Screen Must Be Installed At The Inlet Of The Sensor; 2. The Water Flow Sensor Should Be Installed Inside The Equipment Or Indoors. Please Do Not Expose The Sensor To Harsh Environments Such As Outdoor, Humid, And High Temperatures For A Long Time 3. Please Do Not Use The Water Flow Sensor Under Vibration Or Shaking, Otherwise It Aff