Description: Time for the next pump change relative to the ExchangeTime, if the user-specific pump change mode is activated.; Name: Interchange time difference
Description: determination of the time for the next exchange of the pump relative to exchangetime, if operator specific pump exchange mode is activated; Name: exchange time difference
Description: integral of the sound power, p, over a stated time interval of duration t (starting at t1 and ending at t2); Name: sound energy