Frequency: HZ = (6*Q-2)*Q = (L/Min) Voltage output of the premium: 3.5-24VDC Pulse output per liter of water flow: 358 Flow range: 2-60L/min Inner diameter/Outer diameter: 20mm/32.7mm Screw length: 13mm Applications: Suitable for food equipment, credit card machines, water vending machines, and other flow measurement devices Minimum rated operating voltage: DC4.5V Maximum operating current: 15mA (DC 5V) Operating voltage range: DC 5–24V Load capacity: ≤10mA (DC 5V) Operating temperature range: ≤80°C Operating humidity: 35%–90% RH (non-condensing) Maximum allowable pressure: 1.75MPa Storage temperature: -25°C to +80°C Storage humidity: 25%–95% RH Color: Black Material: ABS Package Contents: 1 x DN25 Water Flow Sensor Note: Only the above items are included; other products are not included. Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance: ±1–3cm.