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NB/T 11521-2024 English PDF

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US$339.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 11521-2024: General technical conditions of monitoring system for mine patrol inspection instrument
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 11521-2024	339	Add to Cart	4 days	General technical conditions of monitoring system for mine patrol inspection instrument	Valid

Basic data

Standard ID: NB/T 11521-2024 (NB/T11521-2024)
Description (Translated English): General technical conditions of monitoring system for mine patrol inspection instrument
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D98
Classification of International Standard: 73.100.99
Word Count Estimation: 16,125
Date of Issue: 2024-05-24
Date of Implementation: 2024-11-24
Issuing agency(ies): National Energy Administration

NB/T 11521-2024: General technical conditions of monitoring system for mine patrol inspection instrument

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 73.100.99 CCSD98 Energy Industry Standards of the People's Republic of China General technical requirements for mine inspection monitoring system The National Energy Administration released

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Product Categories 1 5 Technical Requirements 2 6 Test methods 6 7 Inspection Rules 10

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. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Coal Industry Association. This document is under the jurisdiction of the Coal Industry Coal Mine Special Equipment Standardization Technical Committee. This document was drafted by. China Coal Technology and Engineering Group Changzhou Research Institute Co., Ltd., Tiandi (Changzhou) Automation Co., Ltd., Nanjing North Road Zhikong Technology Co., Ltd., Nanjing Tianchuang Electronic Technology Co., Ltd., and National Safety Signs Center for Mining Products Co., Ltd. The main drafters of this document are. Yang Jiaru, Luo Xi, Chu Weizhong, Wang Xiaosong, Liang Hong, Chen Yongran, Wu Yujing, Liu Xiangjun, Wang Kun, Min Jihai, Liu Shuang and Wu Zhaohong. General technical requirements for mine inspection monitoring system

1 Scope

This document specifies the product classification, technical requirements and inspection rules for mining patrol monitoring systems, and describes the corresponding test methods. This document is applicable to the design and inspection of mining patrol meter monitoring systems (hereinafter referred to as the system), and is not applicable to the design and inspection of patrol meters.

2 Normative references

The contents of the following documents constitute 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 2887 General Specification for Computer Sites GB (GB/T) 3836 (all parts) Explosive atmospheres GB/T 10111 Generation of random numbers and their application in product quality sampling inspection GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test 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 MT/T 286 Coal mine communication and automation product model compilation method and management method MT/T 772-1998 Main performance test methods of coal mine monitoring system MT/T 899-2000 Information transmission device for coal mines MT/T 1004-2006 General technical requirements for coal mine production safety monitoring system

3 Terms and definitions

The terms and definitions defined in MT/T 1004-2006, MT/T 899-2000 and the following apply to this document. 3.1 It is mainly used to monitor the methane concentration, carbon monoxide concentration, smoke, oxygen concentration, temperature, audio and video data collected by the inspection instrument, and realize The system has functions of automatic control, remote control and manual control of the inspection instrument, inspection route planning, data analysis, etc.

4 Product Categories

4.1 Classification 4.1.1 Classification by network structure. a) Star shape; b) tree shape; c) Bus shape. 4.1.2 Classification by working method. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 11521-2024_English be delivered?

Answer: Upon your order, we will start to translate NB/T 11521-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of NB/T 11521-2024_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 11521-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.