The present disclosure relates to a fluid analysis device which comprises a sensing device for analyzing a fluid sample, the sensing device comprising a micro-fluidic component for propagating the fluid sample and a microchip configured for sensing the fluid sample in the micro-fluidic component; a sealed fluid compartment containing a further fluid, the compartment being fluid-tight connected to the sensing device and adapted for providing the further fluid to the micro-fluidic component when the sealed fluid compartment is opened; and an inlet for providing the fluid sample to the micro-fluidic component. Further, the present disclosure relates to a method for sensing a fluid sample using the fluid analysis device.