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NB/T 10722-2021 English PDF

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US$289.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 10722-2021: General specifications of the leakage communication system in the underground mine
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 10722-2021	289	Add to Cart	3 days	General specifications of the leakage communication system in the underground mine	Valid

Similar standards

MT/T 1041.4 MT/T 1078 MT/T 1041.1 NB/T 10718 NB/T 10719 NB/T 10717

Basic data

Standard ID: NB/T 10722-2021 (NB/T10722-2021)
Description (Translated English): General specifications of the leakage communication system in the underground mine
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D98
Word Count Estimation: 12,187
Issuing agency(ies): National Energy Administration

NB/T 10722-2021: General specifications of the leakage communication system in the underground mine

---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.
General specifications of the leakage communication system in the underground mine ICS 73.100.99 CCSD98 People's Republic of China Energy Industry Standard General technical conditions for mine leakage communication system undergroundmine Published on 2021-11-16 2022-02-16 Implementation Released by the National Energy Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Category 2 5 Technical requirements 2 6 Test method 5 7 Inspection Rules 8

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 of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Coal Industry Association. This document is under the jurisdiction of the Science and Technology Development Department of China Coal Industry Association. This document was drafted by. China University of Mining and Technology (Beijing), Shenzhen Yiri Technology Co., Ltd., Huatianxin Intelligent IoT Co., Ltd. Company, Yankuang Group Co., Ltd., Jiangsu Sanheng Technology Co., Ltd., Wuhan Qihuan Electric Co., Ltd. The main drafters of this document. Sun Jiping, Yu Chuan, Yuan Qingguo, Hou Shuangshuang, Tian Zijian, Jiang Yuhua, Fang Kun. General technical conditions for mine leakage communication system

1 Scope

This document specifies the classification, technical requirements, test methods and inspection rules of mine leakage communication systems. This document applies to the mine leakage communication system (hereinafter referred to as the system).

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 2887 General Specification for Computer Fields GB 3836.1 Explosive Atmospheres Part 1.General Requirements for Equipment GB 3836.2 Explosive Atmospheres Part 2.Equipment protected by flameproof enclosure "d" GB 3836.3 Explosive Atmospheres Part 3.Equipment Protected by Increased Safety "e" GB 3836.4 Explosive Atmospheres Part 4.Equipment protected by intrinsically safe "i" GB 3836.9 Explosive Atmospheres Part 9.Equipment protected by encapsulation type "m" GB/T 5080.1-2012 Reliability Test Part 1.Test Conditions and Statistical Test Principles GB 5080.7 Equipment Reliability Test—Verification Test Scheme for Failure Rate and Mean Time Between Failures under the Assumption of Constant Failure Rate GB/T 10111 Generation of random numbers and its application in product quality sampling inspection GB/T 12192 Mobile Communication FM Transmitter Measurement Method GB/T 12193 Mobile Communication FM Receiver Measurement Method GB/T 15875 General Specification for Leaky Cable Wireless Communication System GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test GB/T 17626.4-2018 Electromagnetic Compatibility Test and Measurement Technology Electrical Fast Transient Burst Immunity Test GB/T 17626.5-2019 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test MT209 General technical requirements for electrical and electronic products for coal mine communication, detection and control MT286 Coal mine communication and automation product model compilation method and management method MT/T 772-1998 Main performance test method of coal mine monitoring system

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 A mine communication method that conducts electromagnetic waves by means of leaky cables. 3.2 basestation Connecting leaky cables, equipment with information exchange, connection, control and management functions. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 10722-2021_English be delivered?

Answer: Upon your order, we will start to translate NB/T 10722-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of NB/T 10722-2021_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 10722-2021_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.