“污染等级”是指固体、液体或气体恶化绝缘强度或表面电阻率的程度。
"Pollution degree" describes the degree to which a soild liquid or gas which deteriorates dielectric strength or surf ace resistivity is adhering.
表面电阻测试仪是一种测试物体表面电阻率和对地电阻的仪器，可进行简单可重复的导电性能、静电耗散、绝缘表面性能的测量。
This compact meter measures both surface resistivity and resistance to ground. It is giving simple repeatable measurement of conductive static dissipative and insulative surface.
表面电阻测试仪是一种测试物体表面电阻率和对地电阻的仪器，可进行简单可重复的导电性能、静电耗散、绝缘表面性能的测量。
This compact meter measures both surface resistivity and resistance to ground. It is giving simple repeatable measurement of conductive static dissipative and insulative surface.
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