filled with silicone oil, and the sensor chip is completely isolated from the medium, which can measure a of medium levels. The medium can be a of liquids (for vacuum wire non- media, a material if it corrodes stainless steel or tetrafluoroethylene). Low water level monitoring of open water tanks, depth or water level measurement of and open waters, groundwater level measurement, sewage treatment, water supply, chemical and pharmaceutical industry, water system measurement and control of other industries. Measuring medium: water Temperature: 0-50 Celsius Sensitivity: 2.0MV / V Overload pressure: 150% Impact design High accuracy and stability Flexible installation and easy to use Small size, light weight and shockproof Features: low cost, impact design Measuring range: 5m colour:Black, silver Material:Plastic, metal size:Cable length: 6m Package Contents: 1* sensor 1* display Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.