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NB/T 10544-2021 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 10544-2021: Sound pick-up for mine
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 10544-2021	279	Add to Cart	3 days	Sound pick-up for mine	Valid

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Basic data

Standard ID: NB/T 10544-2021 (NB/T10544-2021)
Description (Translated English): Sound pick-up for mine
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D09
Word Count Estimation: 12,190
Issuing agency(ies): National Energy Administration

NB/T 10544-2021: Sound pick-up for 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.
Sound pick-up for mine ICS 13.100 D09 Energy Industry Standards of the People's Republic of China Mining pickup Released on 2021-01-07 Implementation on 2021-04-01 Issued by the National Energy Administration

Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Product model 2 5 Technical requirements 2 6 Test method 4 7 Inspection rules 7 8 Marks, packaging, instructions for use, transportation, storage 8

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This standard was proposed by the Science and Technology Development Department of China Coal Industry Association. This standard is under the jurisdiction of the Coal Mine Safety Standardization Technical Committee of the Coal Industry. Drafting organizations of this standard. China Coal Science and Industry Group Shenyang Research Institute Co., Ltd., National Safety Production Fushun Mining Equipment Inspection and Inspection Center, Shanxi Keda Automation Co., Ltd., China University of Mining and Technology. The main drafters of this standard. Ma Long, Qian Xu, Li Zhenxin, Li Zhe, Zou Xiaoxu, Wang Jianyu, Guo Changna, Yang Shengqiang, Wang Dong, Qi Wenting, Xie Yue, Shi Liang, Chang Lin, Zhang Yujia, Wu Yujing, Shi Aiwen, Li Bo, Tang Yong, Li Rang, Yin Weifeng. Mining pickup

1 Scope

This standard specifies the terms and definitions, product classification, technical requirements, test methods, and inspection regulations for mining pickups (hereinafter referred to as pickups) Rules and requirements for marking, packaging, transportation and storage. This standard applies to mines with output frequency signals used in workplaces such as underground coal mines, open-pit coal mines, and other non-coal mines. Sound device.

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 article Pieces. 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 2423.1-2008 Environmental testing of electric and electronic products Part 2.Test method Test A. Low temperature GB/T 2423.2-2008 Environmental testing of electric and electronic products Part 2.Test method Test B. High temperature GB/T 2423.4-2008 Environmental testing of electrical and electronic products Part 2.Test method Test Db. Alternating damp heat (12h 12h cycle) GB/T 2423.5-2019 Environmental Test Part 2.Test Method Test Ea and Guideline. Impact GB/T 2423.10-2019 Environmental Test Part 2.Test Method Test Fc. Vibration (Sine) 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/T 9969 General Rules for Use of Industrial Products The generation of GB/T 10111 random number and its application in product quality sampling inspection GB/T 12173 General mine electrical equipment GB/T 17626.2-2018 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test AQ1043 Mining product safety mark identification MT/T 210-1990 Basic test methods of electrical and electronic products for coal mine communication, detection and control MT/T 899 Information Transmission Device for Coal Mine

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Audiosurveilancemicrophone A device that can convert acoustic oscillations into electrical signals and send them to back-end equipment after processing, usually by microphone capsules, audio circuits, etc. composition. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 10544-2021_English be delivered?

Answer: Upon your order, we will start to translate NB/T 10544-2021_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 10544-2021_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 10544-2021_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.