b) 1: a line or surface that cuts perpendicularly all plumb lines that it meets and hence would everywhere coincide with a surface of still water; 2: the plane of the horizon or a line in it.
Laser Tech’s sensors have the ability to accurately measure the level of surfaces ranging from water to oil and all kinds of bulk solids and powdered materials. These sensors are non-contact, are easily installed and configured, and can offer significant advantages for certain applications over other sensing technologies.