Specifications
CSA7404B, TDS7704B, TDS7404B, TDS7254B & TDS7154B Service Manual
1-29
Compliance was demonstrated to the following specification as listed in the
Official Journal of the European Communities:
Low Voltage Directive 73/23/EEC, amended by 93/68/EEC.
H EN 61010-1:2001. Safety requirements for electrical equipment for
measurement control and laboratory use.
H UL 61010B--1:2003. Standard for electrical measuring and test equipment.
H CAN/CSA C22.2 No. 1010.1:1997. Particular requirements for electrical
equipment for measurement, control, and laboratory use. Part 1.
H IEC 61010--1:2001. Safety requirements for electrical equipment for
measurement, control, and laboratory use.
Test and measuring equipment.
Class 1 -- grounded product
A measure of the contaminates 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.
H Polution Degree 1. No pollution or only dry, nonconductive pollution occurs.
Products in this category are generally encapsulated, hermetically sealed, or
located in clean rooms.
H Polution 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.
H Polution 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.
H Polution Degree 4. Pollution that generates persistent conductivity through
conductive dust, rain, or snow. Typical outdoor locations.
Pollution Degree 2 (as defined in IEC 61010-1). Note: Rated for indoor use only.
EC Declaration of
Conformity - Low Voltage
U.S. Nationally
Recognized Testing
Laboratory Listing
Canadian Certification
Additional Compliance
Equipment Type
Safety Class
Pollution Degree
Descriptions
Pollution Degree
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