| 摘要 |
The invention relates to a conductivity sensor with a substantially circular cylindrical casing of synthetic material and with metal measuring electrodes in its planar substantially circular front wall, of which at least two voltage electrodes and at least two current electrodes form poles, wherein at least two substantially circular voltage electrodes are encompassed by at least two plane-form current electrodes extending substantially in a semicircle or by at least four substantially circular current electrodes disposed in two semicircles.
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