chassis earth

基本解釋

Chassis connections must only be used as shield connections for measuring circuits, NOT as safety earth ground connections.
機(jī)箱的測量連接必須採用屏蔽連接，和安全地連接不同。
Any common-mode current (ICM) that may be present flows from the voltmeter input LO to instrument chassis common, through earth ground to voltage source ground.
可能出現(xiàn)的共模電流（ICM）從電壓表的輸入低耑流到儀器的機(jī)箱公共耑，經(jīng)過大地再流到電壓源的地。