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NB/T 10546-2021 English PDF

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US$329.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 10546-2021: (Ethylene sensor for coal mine)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 10546-2021	329	Add to Cart	3 days	(Ethylene sensor for coal mine)	Valid

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Basic data

Standard ID: NB/T 10546-2021 (NB/T10546-2021)
Description (Translated English): (Ethylene sensor for coal mine)
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D09
Word Count Estimation: 14,112
Issuing agency(ies): National Energy Administration

NB/T 10546-2021: (Ethylene sensor for coal 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.
(Ethylene sensor for coal mine) ICS 13.100 D09 People's Republic of China Energy Industry Standard Ethylene sensor for coal mine Published on 2021-01-07 2021-04-01 Implementation Released by the National Energy Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Technical requirements 2 5 Test method 4 6 Inspection Rules 8 7 Marking, packaging, transportation and storage 10

foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some content of this document may be patented. The issuing authority of this document assumes no responsibility for identifying these patents. This standard is proposed by the Science and Technology Development Department of China Coal Industry Association. This standard is under the jurisdiction of the Coal Industry Coal Mine Safety Standardization Technical Committee. This standard was drafted by. China Coal Science and Industry Group Shenyang Research Institute Co., Ltd., Anhui Kebo Product Testing Research Institute Co., Ltd., Beijing Tian Dimac Electro-Hydraulic Control System Co., Ltd., Qingdao Biaoyi Technology Co., Ltd., National Coal Mine Explosion-Proof Safety Product Quality Supervision and Inspection Center. The main drafters of this standard. Liu Yiping, Ma Long, Ma Yunlong, Li Junshi, Xu Wenhuan, An Huajuan, Liu Mingqi, Qian Xu, Guo Changna, Wu Beiping, Yang Fan, Xu Mingying, Li Zhe, Li Zhenxin, Luo Tienan, Zou Xiaoxu, Li Zhifu. Ethylene sensor for coal mine

1 Scope

This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to sensors in underground coal mines and open pit coal mines where ethylene gas may be contained.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article pieces. For undated references, the latest edition (including all amendments) applies to this document. 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 Electrical and Electronic Products Part 2.Test Methods 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 ring) GB/T 2423.5 Environmental Testing Part 2.Test Methods Test Ea and Guidelines. Shock GB/T 2423.7 Environmental Test Part 2.Test Method Test Ec. Shock caused by rough operation (mainly used for equipment type sample) GB/T 2423.10 Environmental Testing Part 2.Test Methods Test Fc. Vibration (Sinusoidal) GB 3836.1-2010 Explosive Atmospheres Part 1.General Requirements for Equipment GB 3836.4-2010 Explosive Atmospheres Part 4.Equipment Protected by Intrinsically Safe "i" GB/T 4208 enclosure protection class (IP code) GB/T 9969 General Principles of Instruction Manual for Industrial Products GB/T 10111 Generation of random numbers and its application in product quality sampling inspection AQ1043 Mining Product Safety Signs MT210-1990 Basic test methods of electrical and electronic products for coal mine communication, detection and control 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 calibration point The calibration gas sample value selected by the sensor to meet the measurement accuracy. 3.2 stability Under the specified working conditions and time, the zero point, calibration point and alarm point of the sensor maintain the performance within the allowable variation range. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 10546-2021_English be delivered?

Answer: Upon your order, we will start to translate NB/T 10546-2021_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 10546-2021_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 10546-2021_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.