Patent ID: 6896713

Claim:
A liquid separator for separating liquid from gases, comprising: the combination of a water trap ( 1 ) and a holder unit ( 2 ), the water trap ( 1 ) including a container ( 3 ), a connection ( 5 ) for incoming gas flow, a separation chamber ( 4 ) that includes a filter ( 7 ), and at least one connection passageway ( 9 , 10 ) for leading liquid-free gas to an analysis instrument via the holder unit, the holder unit being connectable to the analysis instrument, the water trap ( 1 ) removably fitted in an external cavity of the holder unit ( 2 ), the holder unit ( 2 ) provided with at least one connection device ( 15 , 16 ) for accommodating the connection passageway ( 9 , 10 ) within the external cavity, and the holder unit ( 2 ) including a first electric contact element ( 18 ) which functions to detect the presence of a water trap ( 1 ) in the holder unit and to stop the flow of sample gas to the analysis instrument when no water trap is fitted in the holder unit, characterised in that the holder unit ( 2 ) includes a second electric contact element ( 17 ) which functions to detect the type of water trap ( 1 ) fitted in the holder unit and to adjust a flow rate of the analysis instrument in accordance with the type of water trap used.