AST4520 submersible pressure sensor
The AST4520 is a media-isolated, submersible pressure sensor with an all-stainless-steel construction that is approved to Underwriters Laboratories / Canadian Underwriters Laboratory (UL/cUL) 913 Class 1, Division 1 IS, Groups C and D, when used with an approved barrier. It is a cost-effective solution for monitoring the level of viscous media in turbulent tanks. Its flush-diaphram steel-cage design allows for proper media flow while keeping the sensor at the bottom of the tank or well.