It achieves non-contact detection of the liquid in the closed container The liquid sensor is installed on the upper and lower sides of the container (the liquid is high and low The non-metallic container does not need to open the hole Can detect the of various toxic substances, strong acids, alkalis and various liquids in high pressure airtight containers Can be used for different kinds of toxic, strong acid, strong alkali, and all kinds of measurement in the high pressure sealed vessel or tank. The application of this product is very wide, no special requirements for liquid media and vessel, Manufacturer: SkyPOOU