["brand new and high quality\nFeatures:\nProduct name: water flow sensor for water purifier\nProduct application: fruit and vegetable cultivation, beer machine, dishwasher, water purifier, wine vending machine, wine cabinet, etc.Equipment to be measured. \nSmall/micro, high-precision, ultra-small flow start/ultra-high resolution, food-grade certification, easy installation, adjustable angle, diverse models, anti-backflow, durable and reliable, long life, low power consumption (using low-power chips ), patented products, high-tech products, high 1.2MPa water pressure resistance, water hammer resistance, long service life, quiet operation, hygiene and safety, low voltage operation\nHall principle: magnetic excitation, high and low level, pulse signal, square wave signal, duty cycle 50%, linear ratio, digital signal\nFunction: metering, speed counting, start signal, alarm signal, water shortage for protection\n\nSpecific parameters:\nA and B\nAccuracy (flow): 0.2-8L/MIN within 5%\nMaximum working current: 15MA (DC5v)\nLoad capacity: ≤10MA (DC5v)\nHumidity range: 35%-90RH (no frosting state)\nStorage temperature: -25~+80℃\nOutput pulse high voltage: >4.7V\nMinimum working voltage: 3.5V\nTemperature range: ≤80℃\nAllowable pressure: under 1.75mpa water pressure\nWorking voltage range: DC3.5-20v\nStorage humidity: 25%-95%RH\nOutput pulse low voltage: less than DC5.0v\n\nC and D\nAccuracy (flow): within 0.3-10L/MIN 5%\nMaximum working current: 15MA (DC5v)\nLoad capacity: ≤10MA (DC5v)\nHumidity range: 35%-90RH (no frosting state)\nHumidity range: -25~+80℃\nOutput pulse high voltage: >4.7V\nMinimum working voltage: 3.5V\nTemperature range: ≤80℃\nAllowable pressure: under 1.75mpa water pressure\nWorking voltage range: DC3.5-20v\nStorage humidity: 25%-95%RH\nOutput pulse low voltage: less than DC5.0v\n\nE and F\nAccuracy (flow): within 0.2-8L/MIN 5% OR within 0.1-2L/MIN 5%\nMaximum working current: 15MA (DC5v)\nLoad capacity: ≤10MA (DC5v)\nHumidity range: 35%-90RH (no frosting state)\nHumidity range: -25~+80℃\nOutput pulse high voltage: >4.7V\nMinimum working voltage: 3.5V\nTemperature range: ≤80℃\nAllowable pressure: under 1.75mpa water pressure\nWorking voltage range: DC3.5-20v\nStorage humidity: 25%-95%RH\nOutput pulse low voltage: less than DC5.0v\n\nNote: \nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1xWater Flow Sensor"]