9 Characteristics and Specifications
Agilent U1602B/U1604B User’s and Service Guide 183
Environmental Conditions
Pollution Degree
The product may be operated in environments of Pollution Degree 2.
Pollution Degree Definitions
Pollution Degree 1: No pollution or only dry, non- conductive pollution
occurs. The pollution has no influence. Example is a clean room or
climate controlled office environment.
Pollution Degree 2: Normally only dry non- conductive pollution occurs.
Occasionally a temporary conductivity caused by condensation may occur.
Example is general indoor environment.
Pollution Degree 3: Conductive pollution occurs, or dry, non- conductive
pollution occurs which becomes conductive due to condensation which is
expected. Example is sheltered outdoor environment.