Description: actual humidity that is measured in the surrounding of the pump; Name: amb_hum
Description: Measured ambient humidity; Name: Ambient humidity
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, A1