Low Cost Manufacturer oil tank/electronic water level indicator 1. Extensive medium tested 2. Measuring Range: 0~210m Low Cost Manufacturer oil tank/electronic water level indicator Structure and MaterialIsolation Diaphragm: 316L stainless steelSheet And Surface: Aluminum, epoxy (MT2000T)Transducer Detector: Stainless steel ( cylinder-shaped)Sealing Element: Fluorine rubberCable: PVC six hollow ...