Abstract: The invention relates to an apparatus for dispensing fluid in a dosed manner, comprising a housing, a pressure bag and connecting means, the housing comprising a carrying device for suspending the pressure bag and pumping means for pumping pressure fluid into the pressure bag, a measuring device being provided for measuring, during use, the weight or changes therein of the pressure bag with a fluid container included therein, the connecting means being designed for connecting the pressure bag to the pumping means.