Compliance Information
Safety Class
Class 1 – grounded product.
Pollution Degree D escription
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 th e same as the external. Products should be use d on ly in the en vironment 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 roo ms.
Pollution Degree 2. Normally only dry, nonconductive pollution occurs. Occasionally a temporary conductivity that is caused by
condensation must be expected. T his location is a typical office/home environment. Temporary condensation occurs o nly
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 p rotecte d from direct sunsh ine,
rain, or direct wind.
Pollution Degree 4. Pollution that generates persistent conductivity through condu ctive dust, rain, or snow. Typical outdoor
locations.
Pollution Degree
Pollution Degree 2 (as defined in IEC 61010-1). Note: Rated for indoor use only.
MSO4000 and DPO4000 Series Oscilloscopes User Manual xiii
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