Flow Sensor Dimensions L x W x H: 70 x 30 x 46 mm Measuring range: 5...500 l/min Operating temperature: 0...+50 °C Accuracy: ±3% Connection: G1/2" Electrical connection: Cable with Plug, Length 2 m Output: 4...20 mA Protection rating: IP40 Operating voltage: 12...24 VDC Repeat accuracy: 1 %