LVL0201 Dip Tank Level: This panel displays the current level of the liquid in the dip tank in millimeters from the bottom of the tank as reported by the ultrasonic level sensor in the dip tank. Exposure Time Target: This is the amount of time that the web is calculated to spend in the dip tank fluid based on the recipe set point values. The exposure time is calculated as follows:Exposure Time= ((Diptank Level-"web bottom to tank bottom distance" )*2)/(Set Point Speed) Exposure Time Running: This is the amount of time that the web is calculated to spend in the dip tank fluid based on the actual dip tank level and actual web speed.