| 摘要 |
An insertion electrode device ( 1 ) is designed for installing a probe ( 2 ) in a medium to be measured, through a receptacle or a fitting ( 3 ) in the receptacle. The probe comprises a probe head ( 10 ) at an end opposite the measuring end of the probe. The fitting or the receptacle has an internal shoulder ( 34 ). In the probe's installed state, the internal shoulder serves as stop for the probe head. A spacer ring ( 33 ) and a sealing ring ( 36 ) are arranged along a shaft of the probe between the probe head and the internal shoulder. The spacer ring has a profile which, together with the probe shaft, forms a groove ( 37 ), In the installed state of the probe, the groove completely accommodates and compresses the sealing ring.
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