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力士樂(lè)HED 2型壓力繼電器功能說(shuō)明
REXROTH波紋管式壓力繼電器帶固切換壓差HED 2型 2X系列 zui高工作壓力400bar??
Hydro-electrical pressure switches of type HED 2 are Bourdon tube
pressure switches.
They basically consist of the housing （1）,Bourdon tube （2） with actuating
lever （3）, micro-switch （4） and adjustment element.
Pressure switches assume the task of closing or opening an electrical
circuit in dependence upon pressure.The pressure to be monitored
acts on the Bourdon tube （2）.The Bourdon tube （2） bends and the
actuating lever （3） fixed to it transmits the movement to the microswitch
（4）.This results in the opening or closing of the electrical circuit,
depending on the circuit setup.
Adjustment of the switching pressure
The switching pressure is adjusted externally by
力士樂(lè)HED 2型壓力繼電器功能說(shuō)明
力士樂(lè)HED 2型壓力繼電器功能說(shuō)明
