Description: variable variable that maps the controlled variable and is fed back to the comparator; Name: feedback variable
Description: variable quantity, which represents the controlled variable and is returned to the comparing element; Name: feedback variable
Description: PN (nominal pressure) is an alphanumeric variable for reference purposes, relating to a combination of mechanical and measurement properties of a pipe component. It comprises the letters PN followed by a dimensionless number (according to EN 1333/96.08); Name: Nominal pressure of the muffs, A2