Rigol MSO4000 Series User Manual page 15

Pollution Degree
Degree 2
Pollution Degree Definitions
Pollution degree 1: No pollution or only dry, non-conductive pollution occurs. The
pollution has no influence. For example, a clean room or air-conditioned office
environment.
Pollution degree 2: Normally only dry, non-conductive pollution occurs. An occasional
and temporary conductive environment may caused by condensation. For example, a
general indoor environment.
Pollution degree 3: Conductive pollution occurs, or dry, non-conductive pollution
occurs which becomes conductive due to condensation. For example, a sheltered
outdoor environment.
Pollution degree 4: Pollution that generates persistent conductivity through
conductive dust, rain, or snow. For example, outdoor locations.
Safety Class
Class 1 – Grounded Product
MSO4000/DS4000 User's Guide
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