1 Scope
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of uncontrolled intrinsically safe portable microcomputer for coal mine.
This standard is applicable to intrinsically safe portable microcomputers applied in coal mine (hereinafter referred to as the "microcomputer").
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. At time of publication, the editions indicated were valid. All the standards will be revised and all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of the following standards are applicable.
GB 191-90 Pictorial Marking for Packaging and Handling of Goods
GB 3836.1-83 Electrical Apparatus for Explosive Atmospheres - General Requirements
GB 3836.4-83 Electrical Apparatus for Explosive Atmospheres - Intrinsically Safe Circuits and Electrical Apparatus
GB/T 4942.2-93 Degrees of Protection Provided by Enclosures for Low-voltage Apparatus
GB/T 5080.7-86 Equipment Reliability Test - Validation Test Plans for Failure and Mean Failure Free Time under Assumption of Constant Failure Rate for Test
GB/T 9813-88 General Specifications for Microcomputer
GB/T 13384-92 General Specifications for Packing of Mechanical and Electrical Product
MT 209-90 General Technical Requirements of Communication, Inspection, and Control Electric and Electronic Products for Coalmine
MT 210-90 Fundamental Test Methods of Electric and Electronic Products used for Communication, Inspection and Control for Coal Mine
3 Technical Requirements
3.1 General requirements
1 Scope
2 Normative References
3 Technical Requirements
4 Test Methods
5 Inspection Rules
6 Marking, Packaging, Transportation and Storage
