... ,corrosion -resistant materials in toughest environment; - RoHs & CE approval; Water Meter Flow Switch/Sensor Series(CE,RoHS Certification approved)Operating Principle ... liquidsWorking temperature rating : T1:-40~105Lowest sensor flux :0.7, 0.8, 1.0, 1.5, 2.0, 3, 5, 6, 8, 10 L/minMaterial: NylonMounting ...