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Device intended for sealed electric connection of electrodes by shielded cables and system for petrophysical measurement using the device
Device intended for sealed electric connection of electrodes by shielded cables and system for petrophysical measurement using the device
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机译:用于通过屏蔽电缆将电极密封电连接的装置以及使用该装置进行岩石物理测量的系统
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摘要
A device for connecting, by means of a shielded cable, electrodes to a measuring device, located on either side of a wall (18) separating an enclosure under pressure from the outside environment. The device comprises a rigid protector sleeve (16) made of an insulating material that tightly runs through the wall and extends to the immediate vicinity of the electrode, into which shielded cable (C) is passed. A tube (23) made of a conducting material is arranged in rigid sleeve (16) and in electric contact with the cable shield. A plug (24) is secured to rigid sleeve (16), connected to electrode (15) and electrically linked to core (21) of the shielded cable inside metal tube (23). An electric connector (20) is associated with rigid sleeve (16) outside wall (18) for connection of a shielded wire connected to the measuring device. This device can be used in a system measuring the electrical resistivity of a sample in a frequency range that can reach several ten MHz.
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