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GB/T 32224-2020 English PDF

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Q: Should I purchase the latest version GB/T 32224-2020?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 32224-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$1299.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 32224-2020: Heat meters
Status: Valid

GB/T 32224: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32224-2020	1299	Add to Cart	8 days	Heat meters	Valid
GB/T 32224-2015	320	Add to Cart	Auto, < 3 mins	Heat meters	Obsolete

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Basic data

Standard ID: GB/T 32224-2020 (GB/T32224-2020)
Description (Translated English): Heat meters
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: P46
Classification of International Standard: 91.140.10
Word Count Estimation: 70,760
Date of Issue: 2020-11-19
Date of Implementation: 2021-10-01
Older Standard (superseded by this standard): GB/T 32224-2015
Quoted Standard: GB/T 191; GB/T 1800.2; GB/T 2423.1; GB/T 2423.2; GB/T 2423.3; GB/T 2423.4; GB/T 4208-2017; GB 4706.1-2005; GB/T 7307; GB/T 9124.1; GB/T 9124.2; GB/T 9254; GB/T 17241.6; GB/T 17626.2; GB/T 17626.3; GB/T 17626.4; GB/T 17626.5; GB/T 17626.6; GB/T 17626.8
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the terms and definitions, symbols, technical characteristics, requirements, test methods, inspection rules, signs, packaging, transportation and storage of heat meters. This standard applies to the manufacture and inspection of heat meters using water as the medium. When the medium used is other liquids, this standard can be implemented after obtaining the mass enthalpy and density parameters of the liquid.

GB/T 32224-2020: Heat meters

---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.
(Calorimeter) ICS 91:140:10 P46 National Standards of People's Republic of China Replace GB/T 32224-2015 Calorimeter Heatmeters 2020-11-19 released 2021-10-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 Symbol 4 5 Technical characteristics 5 6 Requirements 9 7 Test method 14 8 Inspection rules 24 9 Marking, packaging, transportation and storage 25 Appendix A (Normative Appendix) Density value and mass enthalpy value of water 28 Appendix B (Normative Appendix) Structure and Installation of Temperature Sensor 30 Appendix C (Normative Appendix) Data Interface and Communication 39 Appendix D (Normative Appendix) Error Test and Calculation of Integral Heat Meter 41 Appendix E (Normative Appendix) Calculator Error Test and Calculation 42 Appendix F (Normative Appendix) Error Test and Calculation of Paired Temperature Sensor 44 Appendix G (Normative Appendix) Flow Sensor Error Test and Calculation 48 Appendix H (Normative Appendix) Electromagnetic Compatibility Test Method 50 Appendix I (Normative Appendix) Flow Disturbance Test Device and Flow Disturbance 57

Foreword

This standard was drafted in accordance with the rules given in GB/T 1:1-2009: This standard replaces GB/T 32224-2015 "heat meter", compared with GB/T 32224-2015, except for editorial changes, the main technology The changes are as follows: ---Deleted the content of 0:3m3/h in common flow (see Table 1 in the:2015 edition); ---Added the definition of switching temperature (see 3:3:9); ---Added the requirements for the length tolerance of the flow sensor (see Table 1); ---Modified the requirements for display resolution (see 6:1:2, 5:2:2:1 and 5:2:2:2 of the:2015 edition); ---Modified the requirements and test methods for strength and tightness testing (see 6:3, 7:4, 5:4, 6:4 of the:2015 edition); ---Modified the maximum allowable error formula of the overall heat meter (see 6:4:1, 5:5:1:2 in the:2015 edition); ---Added the maximum allowable error formula of the combined heat meter (see 6:4:2:1); ---Modified the calculator's maximum allowable error formula (see 6:4:2:2, 5:5:2 of the:2015 edition); ---Modified the maximum allowable error formula of the paired temperature sensor (see 6:4:2:3, 5:5:3 in the:2015 edition); ---Modified the maximum allowable error formula of the flow sensor (see 6:4:2:4, 5:5:4 in the:2015 edition); ---Added the calculation formula for the maximum allowable error of the combination of the calculator and the paired temperature sensor (see 6:4:2:5); ---Added the requirements and test methods for the verification of the switching temperature value and the switching temperature difference of the cooling and heating meter (see 6:5, 7:6); ---Modified the requirements for power supply voltage (see 6:7:3, 5:7:3 of the:2015 edition); --- The requirement for repetitiveness has been deleted (see 5:8 in the:2015 edition); ---Added the requirements and test methods for the response performance of the fast response heat meter (see 6:9, 7:10); ---Modified the requirements for static magnetic field (see 6:10:3, 5:10:3 of the:2015 edition); ---Modified the requirements for the enclosure protection level (see 6:10:5, 5:10:5 in the:2015 edition); ---Modified the requirements for seals (see 6:10:6, 5:10:6 in the:2015 edition); ---Modified the requirements for data interface and communication (see 6:11, 5:12 of the:2015 edition); ---Added the requirements and test methods for constant humidity and heat (see 6:12:3, 7:13:3); ---Added requirements and test methods for radio disturbance test (see 6:13:2, H:6); ---Added requirements and test methods for flow disturbance test (see 6:14, 7:15); ---Modified the battery life test method and calculation requirements (see 7:8:2, 6:7 of the:2015 edition); ---Modified the name and requirements of the basic durability test (see 7:9:2:3, 6:9:1:2 in the:2015 edition); ---Modified the name and requirements of the additional durability test (see 7:9:2:4, 6:9:1:3 of the:2015 edition); ---Added the requirements of accelerated durability test method (see 7:9:2:5); ---Modified the requirements and test methods of the temperature sensor durability test (see 7:9:3, 6:9:2 in the:2015 edition); ---Modified the density and enthalpy table of water and indicated the source of the data (see Appendix A); ---Modified the standard structure size drawing of DS temperature sensor (see Figure B:1,:2015 version of Figure B:1); ---Modified the overall requirements of data interface and communication (see Appendix C); ---Modified the measurement point requirements for the overall test volume of the heat meter (see Table D:1,:2015 edition D:3); ---Added the requirements for the measurement points of the cold meter during the overall test of the heat meter (see Table D:1); ---Added the requirements for the confirmation of the displayed value during the overall test of the heat meter (see D:2:3); ---Modified the test temperature point requirements of the heat meter calculator (see Table E:1, E:3 of the:2015 edition); ---Added the requirements for the test of the cold and heat meter calculator (see E:1); ---Added the requirements for the test temperature point of the cold meter calculator (see Table E:1); ---Added the requirements for the analog flow signal during the calculator test (see E:2:3); ---Modified the temperature test range of the temperature sensor (see F:2:1, F:3:1 in the:2015 edition); ---Added special requirements for testing flow sensors greater than DN250 (see G:2:1); ---Added the requirements for water temperature changes during the flow sensor test (see G:2:2); --- Modified the electromagnetic compatibility test requirements (see Appendix H, Table 4 of the:2015 edition): This standard was proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China: This standard is under the jurisdiction of the National Urban Heating Standardization Technical Committee (SAC/TC455): Drafting organizations of this standard: China Urban Construction Research Institute Co:, Ltd:, Weihai Tiangang Instrument Co:, Ltd:, Guangzhou Baicheng Intelligent Division Technology Co:, Ltd:, Shenyang Hangfa Technology Industrial Co:, Ltd:, Standard Rating Research Institute of Ministry of Housing and Urban-Rural Development, Jumao Automation (Dalian) Co:, Ltd:, Huizhong Instrument Co:, Ltd:, Xintian Technology Co:, Ltd:, Shandong Lichuang Technology Co:, Ltd:, Shenyang Jiade Lianyi Energy Technology Co:, Ltd:, Rena Intelligent Equipment Co:, Ltd:, Jining Five Star Meter Co:, Ltd:, Xuzhou Runwu Technology Development Co:, Ltd: Co:, Ltd:, Liaoning Sky Technology Co:, Ltd:, Dalian Bokong Technology Co:, Ltd:, Beijing Debao Haote Energy Technology Co:, Ltd:, North Jingtian Ruixiangde Metrology Technology Co:, Ltd:, Beijing Jebsen Century Intelligent Technology Co:, Ltd:, Tianjin Institute of Metrology Beijing Public Utilities Research Institute: The main drafters of this standard: Yang Jian, Fu Tao, Tan Wensheng, Ni Zhijun, Zhang Huifeng, Feng Lei, Chen Hui, Fei Zhanbo, Li Mei, Wang Kuilin, Yu Dayong, Liu Ruifeng, Wang Hualiang, Shi Jianjun, Zeng Yongchun, Zhang Lixiang, Xu Defeng, Yang Chenghua, Shi Xin, Zhang Tao: The previous versions of the standard replaced by this standard are as follows: ---GB/T 32224-2015: Calorimeter

1 Scope

This standard specifies the terms and definitions, symbols, technical characteristics, requirements, test methods, inspection rules, signs, packaging, transportation and Store: This standard applies to the manufacture and inspection of heat meters using water as the medium: When other liquids are used, the quality of the liquid is obtained After measuring the enthalpy and density parameters, this standard can be implemented:

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 references, the latest version (including all amendments) applies to this document: GB/T 191 Packaging, Storage and Transportation Graphic Mark GB/T 1800:2 Product Geometric Technical Specification (GPS) Linear Dimension Tolerance ISO Code System Part 2: Standard Tolerance Zone Code and limit deviation table of hole and shaft 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 electric and electronic products Part 2: Test method Test B: High temperature GB/T 2423:3 Environmental Test Part 2: Test Method Test Cab: Constant Damp Heat Test GB/T 2423:4 Environmental testing of electrical and electronic products Part 2: Test method Test Db: Alternating damp heat (12h 12h cycle) GB/T 4208-2017 Enclosure protection grade (IP code) GB 4706:1-2005 Safety of household and similar electrical appliances Part 1: General requirements GB/T 7307 55° unsealed pipe thread GB/T 9124:1 Steel pipe flanges Part 1: PN series GB/T 9124:2 Steel Pipe Flange Part 2: Class Series GB/T 9254 Information Technology Equipment Radio Disturbance Limits and Measurement Methods GB/T 17241:6 Integral cast iron flange GB/T 17626:2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17626:3 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test GB/T 17626:4 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test GB/T 17626:5 Electromagnetic compatibility test and measurement technology surge (impact) immunity test GB/T 17626:6-2017 Electromagnetic compatibility test and measurement technology Radio frequency field induced conducted disturbance immunity GB/T 17626:8 Electromagnetic compatibility test and measurement technology Power frequency magnetic field immunity test GB/T 17626:11 Electromagnetic compatibility test and measurement technology Voltage sag, short-term interruption and voltage change immunity test GB/T 26831:1 Community Energy Metering and Collecting System Specification Part 1: Data Exchange GB/T 26831:2 Community Energy Metering System Specification Part 2: Physical Layer and Link Layer GB/T 26831:3 Community Energy Metering and Collecting System Specification Part 3: Professional Application Layer GB/T 26831:6 Community Energy Metering and Collecting System Specification Part 6: Local Bus GB/T 30121-2013 Industrial platinum thermal resistance and platinum temperature sensing element CJJ34 Code for design of urban heating pipe network ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 32224-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 32224-2020_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 32224-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 32224-2020_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.

Question 5: Should I purchase the latest version GB/T 32224-2020?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 32224-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.