Water flow sensor for Arduino

Water flow sensor key 1/2 inch with flow meter 1-30 liters per minute and flow 1.75 megapascals 1-30 liters per minute 1.75 MPa 1/2 inch water flow meter for controlling water flow less operating voltage: DC4.5 5V-24V maximum operating current: 15 milliamps (DC 5V) operating voltage range: DC 5~18 volts load capacity: 10 milliamps (DC 5V) external pipe diameter: 20 mm internal pipe diameter: 12 mm flow range: 1-30 liters per minute maximum operating current: 15 milliamps (DC 5V) load capacity: ≤10 milliamps (DC 5V) operating temperature: ≤80 degrees Celsius allowable pressure: pressure 1.75 MPa storage temperature: -25-80 degrees Celsius use: water heaters, credit card machines, water vending machines, flow measurement device