External Liquid Level Switch

External liquid level switch with CE use for the oil tank and chemical industry External liquid level switch 1.Advantage External level measurement with safety On point measuring and multi point measuring Easily installation, Trial run and Maintenance Video display and remote on the spot The Sonar Technology 2.Work Principle The sonar pulse of the external liquid level switch can pass through the tank wall,the pulse propagate in tank wall and liquid,then be reflected.After