When measured fluid flowing, the magnet body linked with the floater produces the corresponding displacement, making the Hall probe export the corresponding changing electric signal.
当被测流体流动时，与浮子相联结的磁体产生相应位移，使霍尔探头输出相应变化的电信号。
Conclusion is made that calculation and test of the attraction force is key important in the probe design. And some guiding advice is given to the design of the electro-magnet.
明确了电磁铁吸合力的计算、实验是电子清纱器检测头设计的重要基础环节，进而对电子清纱器检测头电磁铁的设计方法给出指导意见。
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