GB/T 12476.9-2010 Replaced National standards

GB/T 12476.9-2010 Electrical apparatus for use in the presence of combustible dust—Part 9:Test methods—Method for determining the electrical resistivity of dust in layers

Publish Date: 2010-08-09 Implement Date: 2011-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12476.9-2010

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Explosion-proof electrical appliances

ICS Name: Electric equipment for use in explosive environments

Publish Date: 2010-08-09

Implement Date: 2011-08-01

Pages: 7 pages

Scope

This section specifies the test method for measuring the resistivity of dust layers using DC voltage. This method is suitable for the design, manufacture, testing, and use of electrical equipment in flammable dust environments.
This method is not suitable for recognized explosives or similar substances.

Development Information

Word Count: 10 Thousand words Pages: 7 pages

Same series standard

GB 12476.2-2010 Electrical apparatus for use in the presence of combustible dust—Part 2:Selection and installation GB 12476.4-2010 Electrical apparatus for use in the presence of combustible dust—Part 4:Protection by intrinsic safety“iD” GB 12476.6-2010 Electrical apparatus for use in the presence of combustible dust—Part 6:Protection by encapsulation "mD" GB 12476.7-2010 Electrical apparatus for use in the presence of combustible dust—Part 7:Type of protection "pD" GB/T 12476.8-2010 Electrical apparatus for use in the presence of combustible dust—Part 8:Test methods—Methods for determining the minimum ignition temperatures of dust GB/T 12476.10-2010 Electrical apparatus for use in the presence of combustible dust—Part 10:Test methods—Method for determining minimum ignition energy of dust/air mixtures

Superseded by the following standards

GB/T 3836.12-2019 Explosive atmospheres—Part 12:Material characteristics for combustible dusts—Test methods

Referenced Standards

GB/T 6005-2008 Test sieves—Metal wire cloth,perforated metal plate and electroformed sheet—Nominal sizes of openings GB/T 6919-1986 Air quality—Vocabulary

Adopt standards

IEC 61241-2-2:1993

Related Standards

GB 5590-1985 Replaced

GB 5590-1985 Mining type flameproof electric magnetic starters

Publish Date: 1985-11-20

GB 3836.9-1990 Replaced

GB 3836.9-1990 Electrical apparatus for explosive atmospheres Encapsulated electrical apparatus "m"

Publish Date: 1990-08-27

GB 3836.11-1991 Replaced

GB 3836.11-1991 Electrical apparatus for explosive atmospheres-Method of test for ascertainment of maximum experimental safe gap

Publish Date: 1991-05-27

GB 3836.12-1991 Replaced

GB 3836.12-1991 Electrical apparatus for explosive atmospheres—Classification of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents

Publish Date: 1991-05-27

GB 3836.13-1997 Replaced

GB 3836.13-1997 Electrical apparatus for explosive gas atmospheres—Part 13:Repair and overhaul for apparatus used in explosive gas atmospheres

Publish Date: 1997-12-30

MT 703-1997 Replaced

MT 703-1997 Technical condition of electro-chemical type carbon monoxide instrumentation for coal mine

Publish Date: 1997-12-30