| 摘要 |
PROBLEM TO BE SOLVED: To stably and accurately detect the flow rate of milk and additionally increase reliability by surely inhibiting the misdetection. SOLUTION: This detector has one electrode 3 formed in a ring shape at the inner peripheral face 2s of the tubular part 2 and the inner diameter of the tubular part 2d below the one electrode 3 is made larger than an inner diameter Dx of the one electrode 3 to provide an electrode receiving space S, then another electrode 4 formed in a slender rod shape in the axial direction and having an outer diameter lay larger than the one electrode 3 is provided on the same axis of the one electrode 3.
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