Compliance info
rmation
Equipment type
Test and measuring equipment.
Safety class
Class 1 – grounded product.
Pollution d
egree descriptions
A measure of the contaminants that could occur in the environment around and within a product. Typically the internal
environment inside a product is considered to be the same as the external. Products should be used only in the environment
for which they are rated.
Pollution degree 1. No pollution or only dry, nonconductive pollution occurs. Products in this category are generally
encapsulated, hermetically sealed, or located in clean rooms.
Pollution degree 2. Normally only dry, nonconductive pollution occurs. Occasionally a temporary conductivity that is
caused by condensation must be expected. This location is a typical office/home environment. Temporary condensation
occurs only when the product is out of service.
Pollution degree 3. Conductive pollution, or dry, nonconductive pollution that becomes conductive due to condensation.
These are sheltered locations where neither temperature nor humidity is controlled. The area is protected from direct
sunshine, rain, or direct wind.
Pollution degree 4. P ollution that generates persistent conductivity through conductive dust, rain, or snow. Typical
outdoor locations.
Pollution degree rating
Pollution degree 2 (as defined in IEC 61010-1). Rated for indoor, dry location use only.
IP ra
ting
IP20 (as defined in IEC 60529).
Measurement and overvoltage cate gory descriptions
Mea
surement terminals on this product may be rated for measuring mains voltages from one or more of the following
categories (see specific ratings marked on the product and in the manual).
Category II. Circuits directly connected to the building wiring at utilization points (socket outlets and similar points).
Category III. In the building wiring and distribution system.
Category IV. At the source of the electrical supply to the building.
NOTE. Only mains power supply circuits have an overvoltage category rating. Only measurement circuits have a
m
easurement category rating. Other circuits within the product do not have either rating.
MSO/DPO70000DX, MSO/DPO70000C, DP O7000C, and MS O/DPO5000B Series User Manual xi
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