Method for monitoring a fluid transfer process, including: providing an allowable pressure profile (30a, 30b) by carrying out a number of measurements for a fluid transfer process to produce a family of pressure courses, which represent the measured pressure as functions of time during the fluid transfer process, a) approximating, for a plurality of points of time, probability mass functions to the family of pressure courses or b) calculating, for a plurality of points of time, frequency distributions representing the number of pressure courses falling in a certain pressure value interval and approximating, for the plurality of points of time, probability mass functions to the frequency distribution, determining, for the plurality of points of time, mean values and variances of the probability mass functions, using a predefined combination of the mean value and the variance to determine minimum and maximum limits (720a, 720b) for each of the plurality of points of time, deriving from the minimum and maximum limits (720 a, 720b) interpolation points, and using the interpolation points for defining an allowable pressure profile (30a, 30b) as a function of time, detecting a pressure as a function of time during the fluid transfer process; comparing the detected pressure values with the allowable pressure profile (30a, 30b) and signaling an error, if the detected pressure is not within the allowable pressure profile (30a, 30b). providing an allowable pressure profile (30a, 30b) by carrying out a number of measurements for a fluid transfer process to produce a family of pressure courses, which represent the measured pressure as functions of time during the fluid transfer process, a) approximating, for a plurality of points of time, probability mass functions to the family of pressure courses or b) calculating, for a plurality of points of time, frequency distributions representing the number of pressure courses falling in a certain pressure value interval and approximating, for the plurality of points of time, probability mass functions to the frequency distribution, determining, for the plurality of points of time, mean values and variances of the probability mass functions, using a predefined combination of the mean value and the variance to determine minimum and maximum limits (720a, 720b) for each of the plurality of points of time, deriving from the minimum and maximum limits (720 a, 720b) interpolation points, and using the interpolation points for defining an allowable pressure profile (30a, 30b) as a function of time, a) approximating, for a plurality of points of time, probability mass functions to the family of pressure courses or b) calculating, for a plurality of points of time, frequency distributions representing the number of pressure courses falling in a certain pressure value interval and approximating, for the plurality of points of time, probability mass functions to the frequency distribution, detecting a pressure as a function of time during the fluid transfer process; comparing the detected pressure values with the allowable pressure profile (30a, 30b) and signaling an error, if the detected pressure is not within the allowable pressure profile (30a, 30b).