Description DN25 FS400A G1inch Water Flow Sensor Hall Flow Meter Frequency: Hz = (6*Q-2)*Q = (L/min) Voltage Output: 3.5–24 V DC Water Flow Rate after Pulse Output: 358 l/min Flow Rate Range: 2–60 l/min Inner Diameter/Outer Diameter: 20 mm/32.7 mm Screw Length: 13 mm Applications: Food vending machines, credit card terminals, water dispensers, and other flow meters Lowest Operating Voltage: 4.5 V DC Maximum Operating Current: 15 mA (5 V DC) Operating Voltage Range: 5–24 V DC Current Current Capacity: ≤ 10 mA (5 V DC) Operating Temperature Range: ≤ 80 °C Operating humidity: 35–90% RH (non-condensing) Permissible negative pressure: 1.75 MPa Storage temperature: -25°C to +80°C Storage humidity: 25% to 95% RH Color: Black Material: ABS Scope of delivery: 1 x DN25 water flow sensor Only the above package contents are included, other products are not included. Note: Due to light reflections and different screen settings, the color of the item in the picture may differ slightly from the original. The measurement deviation is +/- 1–3 cm.