MT 288-1992 Coal Mine String Type Electrical Motor Vehicle Frequency Conversion Dispatching and Communication Device General Technical Requirements

GB 1497 GB 5080.3 SJ 2313 GB 156-2003 Standard voltages GB/T 156-2007 Standard voltages GB/T 156-2017 Standard voltages GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.3-2000 Electrical apparatus for explosive gas atmospheres—Part 3:Increased safety “e” GB 3836.3-2010 Explosive atmospheres—Part 3:Equipment protection by increased safety "e" GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e” GB/T 4942.2-1993 Degrees of protection provided by enclosures for low-voltage apparatus GB/T 5080.1-1986 Equipment reliability testing—General requirements GB/T 5080.1-2012 Reliability testing—Part 1:Test conditions and statistical test principles GB/T 5080.2-1986 Equipment reliability testing—Guidance for the design of test cycles GB/T 5080.2-2012 Reliability testing—Part 2:Design of test cycles GB/T 5080.4-1985 Equipment reliability testing—Procedure for point estimates and confidence intervals from reliability determination tests(Exponental distribution) GB/T 5080.5-1985 Equipment reliability testing—compliance test plans for success ratio GB/T 5080.6-1996 Equipment reliability testing—Tests for the validity of a constant failure rate assumption GB/T 5080.7-1986 Equipment reliability testing Compliance test plans for failure rate and mean time between failures assuming constant failure rate GB/T 12173-1990 Mining electrical apparatus for non hazardous area GB/T 12173-2008 Mining electrical apparatus for non hazardous area MT 209-1990 The general technical requirements for electrical products used in coal mine communication, detection, and control MT 210-1990 The basic test methods for electrical products used in coal mine communication, detection, and control MT 211-1990 Quality Inspection Rules for Electrical and Electronic Products Used in Mine Communication, Detection, and Control MT 287-1992 Mine signal equipment general technical specification SJ 2467-1984 Test methods for Chinese articulation in communication equipment GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/Z 156-2025 Good practice for dynamic light scattering(DLS) measurements