Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 28848-2012 English PDF

Q: How long will the true-PDF of English version of GB/T 28848-2012 be delivered?

Upon your order, we will start to translate GB/T 28848-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.

Q: Can I share the purchased PDF of GB/T 28848-2012_English with my colleagues?

Yes. The purchased PDF of GB/T 28848-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

US$1319.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 28848-2012: Intelligent gas flow meter
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28848-2012	1319	Add to Cart	8 days	Intelligent gas flow meter	Valid

Similar standards

GB/T 778.4 GB/T 778.1 GB/T 21117 GB/T 42567.5 GB/T 45124 GB/T 28857

Basic data

Standard ID: GB/T 28848-2012 (GB/T28848-2012)
Description (Translated English): Intelligent gas flow meter
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N12
Classification of International Standard: 17.120.10
Word Count Estimation: 60,639
Quoted Standard: GB/T 191; GB/T 2423.1; GB/T 2423.2; GB/T 2423.3; GB/T 2423.4; GB/T 2423.7; GB/T 2423.43; GB/T 2423.56; GB/T 2624.1; GB/T 2624.2; GB/T 2624.3; GB/T 2624.4; GB 3836.1; GB 3836.2; GB 3836.4; GB 4208; GB/T 6388; GB/T 9969; GB/T 13384; GB/T 15478; GB/T 15479;
Regulation (derived from): National Standards Bulletin 2012 No. 28
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the smart gas meter (hereinafter referred to as meter) terminology, symbols, structure, requirements, test equipment, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to the meas

GB/T 28848-2012: Intelligent gas flow meter

---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.
Intelligent gas flow meter ICS 17.120.10 N12 National Standards of People's Republic of China Intelligent Gas Flow Meter Issued on. 2012-11-05 2013-02-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Symbol 3 5 Structure 6 Constituting 5.1 6 5.2 Type 7 5.3 Basic parameters 7 5.4 Connection 11 11 5.5 Conditions of Use 5.6 Naming Rule 11 6 requires 12 6.1 Measurement Performance Requirements 12 6.2 Functional requirements 14 6.3 Effect of Amount of 16 6.4 Security features 19 6.5 Other Requirements 20 7 test device 20 7.1 flow device 20 7.2 ancillary equipment requirements 21 7.3 Traceability 21 8 21 Test Method 8.1 Test conditions 21 8.2 Measurement Performance Test 22 8.3 Functional Check 25 8.4 Effect of the amount of test 26 8.5 Safety Performance Test 30 31 8.6 Other tests 9 inspection rules 31 9.1 factory inspection 31 33 9.2 Type inspection 10 signs, packaging, transportation, storage and use instructions 33 33 10.1 Product Mark 34 10.2 Packaging 10.3 Storage 34 10.4 Transport 34 34 10.5 Product certification 10.6 Owner's Manual 34 Appendix A (normative) Test Method meter indication error and output error 36 Indication error test methods in Appendix B (normative) flow sensor 40 Annex C (normative) instantaneous flow meter, the total amount of calculation and error 44 Annex D (normative) Calculation of compression and error coefficient of 50 Appendix E (normative) Flow disturbance test 53 References 55

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Machinery Industry Federation. This standard by the national industrial process measurement and control Standardization Technical Committee (SAC/TC124) centralized. This standard is drafted by. Chongqing Institute of Metrology and Quality Inspection. Participated in the drafting of this standard. day letter Instrument Group Co., Ltd., Zhejiang Cangnan Instrument Factory, Itron Instrument System (Chongqing) Co., Ltd., Sea ELSTER-AMCO Gas Equipment Co., Ltd., Chongqing Instrument Co., Ltd. Bao Yuan Sen Qingdao Automation Instrumentation Co., Ltd., Yuyao Yinhuan Traffic Instrument Co., Ltd., Chongqing Fortress Gas Equipment Co., Ltd. Tianjin billion ring Automation Instrumentation Technology Co., Ltd., China Petroleum Southwest Branch, Beijing Institute of Metrology detection, Liaoning Provincial Institute of Metrology and China Gas Holdings Limited. The main drafters of this standard. Wu Mingqing, Liao new, the word Gong, Ye Peng, Yinxing Jing, Huang Po group, Xie Zhonghua, Zhu Haiying, Dou Jianjun, Zhu Jiashun, Xiong Tao, Liu Zhonghai, Yang Jing, Liu Fang, Zhiqiang, Liwan Jun. Intelligent Gas Flow Meter

1 Scope

This standard specifies the smart gas meter (hereinafter referred to as meter) terminology, symbols, structure, requirements, test equipment, test methods, inspection Inspection rules, marking, packaging, transportation and storage. This standard applies to the measurement of gas flow in closed conduits and having an electronic meter correction device. This standard does not apply to pre-paid meter control device.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 191 Packaging - Pictorial signs GB/T 2423.1 Environmental testing for electric and electronic products Part 2. Test methods Test A. Cold GB/T 2423.2 Environmental testing for electric and electronic products Part 2. Test methods Test B. Dry heat GB/T 2423.3 Environmental testing for electric and electronic products Part 2. Test methods - Test Cab. Damp heat test GB/T 2423.4 Environmental testing for electric and electronic products Part 2. Test methods - Test Db. Damp heat (12h 12h cycle) GB/T 2423.7 Environmental testing for electric and electronic products Part 2. Test Ec and guidance. Drop and topple (mainly For equipment - type specimens) GB/T 2423.43 Environmental testing for electric and electronic products - Part 2. vibration, impact and similar dynamic tests like Test Method Installation products GB/T 2423.56 Environmental testing for electric and electronic products Part 2. Test methods - Test Fh. Broadband random vibration (digital control Ltd.) and guidance GB/T 2624 (all parts) with a differential pressure measuring device mounted to round pipe full pipe fluid flow GB 3836.1 explosive atmospheres - Part 1. General requirements for equipment GB 3836.2 explosive atmospheres - Part 2. the flameproof enclosure "d" protection equipment GB 3836.4 explosive atmospheres - Part 4. the intrinsically safe "i" protection equipment GB 4208 housing protection (IP Code) GB/T 6388 transport package shipping mark GB/T 9969 General Instructions industrial products GB/T 13384 mechanical and electrical products packaging General technical conditions GB/T 15478 pressure sensor performance test method GB/T 15479 Industrial Automation Instrumentation insulation resistance, dielectric strength technical requirements and test methods GB/T 17611 in closed conduits for fluid flow measurement and symbols GB/T 17626.2 Electromagnetic compatibility Testing and measurement techniques - Electrostatic discharge immunity test GB/T 17626.3 electromagnetic compatibility test and measurement technology RFEMS test GB/T 17626.4 Electromagnetic compatibility Testing and measurement techniques - Electrical fast transient burst immunity test GB/T 17626.5 electromagnetic compatibility test and measurement technology surge (impact) immunity test ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 28848-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 28848-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 28848-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 28848-2012_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.