NB/T 11519-2024General technical conditions for mining stress sensors (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

1 Scope

This document specifies the product model and classification, technical requirements, inspection rules, as well as marking, packaging, transportation and storage of mining stress sensors. The corresponding test methods are described.

This document applies to the design and inspection of mining stress sensors (hereinafter referred to as sensors).

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.

GB/T 191 Pictorial markings for packaging, storage and transportation

GB/T 2423.1 Environmental testing for electric and electronic products Part 2: Test methods Test A. Low temperature

GB/T 2423.2 Environmental testing for electric and electronic products Part 2: Test methods Test B. High temperature

GB/T 2423.4 Environmental testing for electric and electronic products Part 2: Test method Test Db. Cyclic damp heat (12h 12h cycle)

GB/T 2423.5 Environmental testing Part 2: Test method Test Ea and guidance. Impact

GB/T 2423.10 Environmental testing Part 2: Test methods Test Fc. Vibration (positive glare)

GB/T 2829 Periodic inspection sampling procedures and tables (applicable to the inspection of process stability)

GB/T 3836.1 Explosive atmospheres Part 1: General requirements for equipment

GB/T 3836.4 Explosive atmospheres Part 4: Equipment protected by intrinsic safety type "i"

GB/T 4208 Enclosure protection grade (IP code)

GB/T 10111 Generation of random numbers and their application in product quality sampling inspection

GB/T 13384 General technical requirements for packaging of electromechanical products

GB/T 17626.3 Electromagnetic compatibility test and measurement technology Part 3: Radio frequency electromagnetic field radiation immunity test

GB/T 17626.4 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test

GB/T 17626.5 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test

AQ1043 Mining Product Safety Signs and Labels

MT/T 210 Basic test methods for electrical and electronic products used for communication, detection and control in coal mines

MT/T 286 Coal mine communication and automation product model compilation and management methods

MT/T 772-1998 Main performance test methods of coal mine monitoring system

NB/T 10717-2021 General technical requirements for mine pressure monitoring systems

3 Terms and definitions

The following terms and definitions apply to this document.