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A GAS PROBE FOR SAMPLING GAS MOLECULES FROM A FLUID AND A SYSTEM COMPRISING THE GAS PROBE
A GAS PROBE FOR SAMPLING GAS MOLECULES FROM A FLUID AND A SYSTEM COMPRISING THE GAS PROBE
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机译:用于从流体中采样气体分子的气体探针以及包含该气体探针的系统
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摘要
A gas probe for sampling gas molecules from a fluid. A housing includes an orifice and is adapted to be arranged in gas communication with a test gas sensor. The probe includes a stack of layers, whereby gas sample molecules have to pass through all layers of the stack in order reach the sensor. The stack includes at least a first membrane layer, a first spacer layer, a first filter layer and a second spacer layer. The housing includes an inlet for introducing blocking gas molecules into the second spacer layer and an outlet for discharging blocking gas molecules out of the first spacer layer. The gas probe is connectable to a control unit for controlling the blocking gas flow into the second spacer layer.
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