Sample taking device

A sample taking device for extracting a fluid sample from a vessel comprising:

• a cover portion suitable for closing the vessel such that, in use, a headspace is defined between the cover portion and a fluid held in the vessel,
• a sampling chamber comprising a sampling inlet and a sampling outlet,
• a cannula adapted to provide, in use, fluid communication between the fluid held in the vessel and the sampling chamber through the sampling inlet, and
• ports to operate the device in at least two operating conditions:
• a) a sample preparing condition in which a pressure in the headspace is greater than that of the sampling chamber such that fluid flows through the cannula towards the sampling chamber and can be retained therein, and
• b) a sample dispensing condition in which fluid retained in the sampling chamber can be delivered through the sampling outlet and fluid remaining inside the cannula can return to the vessel, wherein
• the ports to operate the device in at least two operating conditions comprise ports for connection to a gas supply system, wherein a first intake port is arranged in the sampling chamber and a second intake port is arranged in the cover portion.