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四个等级
) q8 u( n) L4 Q; H; p. c7 ~" p! M1No pollution or only dry, non-conductive pollution occurs. The pollution has no influence.
+ }, P. f* U7 r9 n4 o3 U1 S2Normally, only non-conductive pollution occurs. Occasionally, however, a temporary conductivity& K$ y" u9 T( L1 N9 j# `8 e9 n% O
2caused by condensation is to be expected, when the product is out of operation.
e5 }3 [3 k& z1 Z' L4 \Conductive pollution or dry non-conductive pollution occurs, which becomes conductive due to
1 @' H7 u1 x' C" y6 @ h* c% b" x4 Icondensation, which is to be expected.
4 N9 ?1 J5 y. ~! l4 q" t4The pollution generates persistent conductivity caused, for example by conductive dust or rain or
) Y2 }! L Z- p4 Z, ~6 [snow. |
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