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NB/T 11458-2023 English PDF

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US$489.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
NB/T 11458-2023: Geophone for seismic exploration for coal mine
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 11458-2023	489	Add to Cart	4 days	Geophone for seismic exploration for coal mine	Valid

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Basic data

Standard ID: NB/T 11458-2023 (NB/T11458-2023)
Description (Translated English): Geophone for seismic exploration for coal mine
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D82
Classification of International Standard: 73.100.99
Word Count Estimation: 22,218
Date of Issue: 2023-12-28
Date of Implementation: 2024-06-28
Issuing agency(ies): National Energy Administration

NB/T 11458-2023: Geophone for seismic exploration 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.
NB/T 11458-2023 English version. Geophone for seismic exploration for coal mine ICS 73.100.99 CCSD82 Energy Industry Standards of the People's Republic of China Mining seismic exploration geophone Released on 2023-12-28 2024-06-28 Implementation The National Energy Administration released

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Product Type 2 5 Technical Requirements 3 6 Test methods 6 7 Inspection Rules 11 8 Marking, packaging, transportation and storage 12 Reference 14

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 Xi'an Research Institute (Group) Co., Ltd., China Coal Technology and Engineering Group Changzhou Research Institute Co., Ltd., China University of Mining. The main drafters of this document are. Wang Xiaobo, Li Ping, Feng Hong, Zhang Zhe, Zhang Peng, Jia Xiangzhi, Li Jing, Liu Shengdong and Feng Wei. Mining seismic exploration geophone

1 Scope

This document specifies the product types, technical requirements, test methods, inspection specifications, and Rules, marking, nameplate, packaging, transportation and storage. This document applies to the design, production, manufacturing and quality inspection of portable geophones in underground coal mines.

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 2423.5-2019 Environmental testing Part 2.Test method Test Ea and guidance. Impact GB/T 2423.10-2019 Environmental testing Part 2.Test methods Test Fc. Vibration (sinusoidal) GB/T 3836.1-2021 Explosive atmospheres Part 1.General requirements for equipment GB/T 3836.4-2021 Explosive atmospheres Part 4.Equipment protected by intrinsic safety type "i" GB/T 4208-2017 Enclosure protection degree (IP code) GB/T 10111-2008 Generation of random numbers and their application in product quality sampling inspection GB/T 24260-2020 Petroleum seismic geophone GB/T 24262-2009 Environmental testing and reliability requirements for petroleum geophysical exploration instruments JJG233-2008 Piezoelectric Accelerometer AQ1043-2007 Safety signs and labels for mining products MT210-1990 Basic test methods for electrical and electronic products used in coal mine communication detection and control

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Moving coil velocity detector moving coil moving-coil geophone A vibration pickup sensor device whose output voltage is proportional to the speed is designed based on the principle that the coil moves in a magnetic field to generate induced electromotive force. 3.2 Piezoelectric acceleration geophone An acceleration-type vibration pickup sensor device designed using the piezoelectric principle. [Source. GB/T 32654-2016, 3.5, modified] ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of NB/T 11458-2023_English be delivered?

Answer: Upon your order, we will start to translate NB/T 11458-2023_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 11458-2023_English with my colleagues?

Answer: Yes. The purchased PDF of NB/T 11458-2023_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.