| 摘要 |
A probe system for measuring a measured variable of a measured medium, especially a measured liquid, contained in a process container; comprises: a probe housing, which is connectable to the process container by means of a process connection; an immersion tube axially shiftable between a measuring position, when extended out of the probe housing, and a treatment position, when retracted into the probe housing, wherein a measuring probe having a measuring head is securable in the immersion tube, wherein, in the treatment position, the measuring head is arranged within a treatment chamber formed in the probe housing; and a piston, which is arranged in an axially displaceable manner in a cylinder adjoining the treatment chamber on a side of the treatment chamber away from the process connection, and which is connected with the immersion tube, wherein a fluid line serving as a supply line for a sterilization medium opens into the cylinder on a side of the piston facing the process connection.
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