Description: the output variable (position) of the actuator used in open-loop and closed-loop control technology, with the help of which a targeted intervention in the open-loop or closed-loop system takes place; Name: correcting variable
Description: output variable of the controlling system, which is also an input variable of the controlled system; Name: manipulated variable
Description: maximum value of the mass of the liquid at design temperature divided by its volume, when stating the density, the unit of density used, together with the temperature, shall be explicitly given, for example kilogram per cubicmeter or gramme per mililiter at t°C (see the note), the standard reference temperature for international trade in petroleum and its products is 15°C (see ISO 5024), but other reference temperatures may be required for legal metrology or other special purposes.; Name: maximum density at design temperature