Altitude
Operating: less than 3 km
Non-operating: less than 15 km
Installation (overvoltage) Category
This product is powered by mains conforming to installation (overvoltage)
category II.
WARNING
Make sure that no overvoltage (such as that caused by
thunderbolt) can reach the product, or else the operator might
expose to danger of electric shock.
Installation (overvoltage) Category Definitions
Installation (overvoltage) category I refers to signal level which is applicable
to equipment measurement terminals connected to the source circuit. In
these terminals, precautions are done to limit the transient voltage to the
corresponding low level.
Installation (overvoltage) category II refers to the local power distribution
level which is applicable to equipment connected to the AC line (AC power).
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.
Occasionally a temporary conductivity caused by condensation may occur. For
example: general indoor environment.
Pollution degree 3: Conductive pollution occurs, or dry, non-conductive
pollution occurs which becomes conductive due to condensation which is
expected. For example: Sheltered outdoor environment.
Pollution degree 4: Pollution that generates persistent conductivity through
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