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Level position measuring method, level marking method and level marking apparatus comprising hose
Level position measuring method, level marking method and level marking apparatus comprising hose
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机译:水平位置测量方法,水平标记方法和包括软管的水平标记设备
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摘要
The edge of a flexible hose 8 is opened and the other edge thereof is closed, a pressure sensor 9 is fixed to the closed edge of the hose. Suppose, a water level of the opened edge of the hose is defined as a datum level 11, when the pressure sensor 9 positions at the equal level to the datum level 11, the pressure thereof reads zero, when the pressure sensor 9 positions lower than the datum level 11, the pressure sensor 9 reads positive pressure in proportion to the height between the datum level 11 and the pressure sensor's level, and when the pressure sensor 9 positions higher than the datum level 11, the pressure sensor reads positive pressure proportionately. Utilizing such natural phenomenon, the pressure sensor 9 of the present invention automatically defines a level equal to the datum level 11 easily, quickly and accurately.
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