| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the problem of a disengaged rotor due to buoyancy, to secure safety of a user and to prevent the breakage of a centrifugal separator main body by surely detecting the fact that a cover is not fitted. SOLUTION: In order to judging the presence and absence of the fitting of the cover 4, the fitting position of a measuring device 1 disposed at the door 2 is kept at the position slid by a distance (r) to the radius direction from a rotary shaft 10 so that the position may be independent of a tapped hole 11 and tube hole 12 of a handle 5 and a rotor 3.
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