NB/T 10535-2021Laser rangefinder for coal mine (English PDF)
煤矿用激光测距仪
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Issued by
NEA
Level / Type
Industry · Recommended
Issue date
January 7, 2021
Implementation date
April 1, 2021
Scope
NB/T 10535-2021 is the English-translated version of 煤矿用激光测距仪.
NB/T 10535-2021 is the Chinese energy industry standard for laser rangefinders used in coal mines, electro-optical instruments that measure the distance to a target using a laser source.
It fixes the product model and classification, the technical requirements including measuring range, explosion protection under the GB 3836 series and laser safety, and the test methods for low and high temperature, damp heat, shock and enclosure protection.
Inspection rules, marking, packaging, transport and storage complete the document. Manufacturers and mine safety inspection bodies use it for type approval and factory checks. First issued on 7 January 2021, it has applied since 1 April 2021.
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Document preview — NB/T 10535-2021
National Standard of the People's Republic of China
- Classification
- K 35
Issued by: National Energy Administration of the People's Republic of China
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Product model and classification
- 5 Technical requirements
- 6 Test method
- 7 Inspection rules
- 8 Marking, packaging, transportation and storage
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the product classification, technical requirements, test methods, inspection rules, markings, packaging, transportation and Store.
This standard applies to laser rangefinders used in coal mines (hereinafter referred to as rangefinders).
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 191 Packaging, storage and transportation pictorial signs
GB/T 2423.1 Environmental testing of electrical and electronic products Part 2: Test methods Test A. Low temperature
GB/T 2423.2 Environmental testing of electric and electronic products Part 2: Test method Test B. High temperature
GB/T 2423.4 Environmental testing of electrical and electronic products Part 2: Test method Test Db. Alternating damp heat (12h 12h cycle)
GB/T 2423.7-2018 Environmental test Part 2: Test method Test Ec. Impact caused by rough operation (mainly used for Equipment type samples)
GB 3836.1 Explosive Atmosphere Part 1: General Requirements for Equipment
GB 3836.2 Explosive atmosphere Part 2: Equipment protected by flameproof enclosure "d"
GB 3836.3 Explosive atmosphere Part 3: Equipment protected by increased safety "e"
GB 3836.4 Explosive atmosphere Part 4: Equipment protected by intrinsically safe "i"
GB/T 4208 Shell protection grade (IP code)
GB 7247.1 Safety of Laser Products Part 1: Equipment Classification and Requirements The generation of GB/T 10111 random number and its application in product quality sampling inspection
GB/T 12173 General mine electrical equipment
AQ1043 Mining product safety mark identification
MT/T 210 Basic test methods of electrical and electronic products for coal mine communication, detection and control
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Laser rangefinder
An electro-optical instrument that uses a laser as a light source to measure the distance of a target. [GB/T 29299-2012, definition 3.1]
3.2 Measuring range
The maximum and minimum values that the instrument can obtain when the specified atmospheric conditions are met and the measurement accuracy is met. [GB/T 14267-2009, definition 3.12]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 2423.1Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
- GB/T 2423.2Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
- GB/T 2423.4Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
- GB/T 2423.7-2018Environmental testing - Part 2: Test methods - Test Ec: Rough handling shocks, primarily for equipment-type specimens
- GB/T 4208Degrees of protection provided by enclosures (IP code)
GB 3836.1 · GB 3836.2 · GB 3836.3 · GB 3836.4 · AQ1043 · MT/T 210
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Related Standards
GB 7247.1-2012 — Safety of laser products - Part 1: Equipment classification and requirements
GB/T 12173-2008 — Mining electrical apparatus for non hazardous area
GB/T 191-2025 — Graphical symbols marking for handling and storage of packages
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NB/T 10535-2021
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