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GB/T 6147-2025 English PDF

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US$219.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 6147-2025: Test method for thermoelectric power of precision resistance alloys
Status: Valid

GB/T 6147: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6147-2025	219	Add to Cart	3 days	Test method for thermoelectric power of precision resistance alloys	Valid
GB/T 6147-2005	159	Add to Cart	3 days	Test method for thermoelectric power of precision resistance alloys	Valid
GB/T 6147-1985	199	Add to Cart	2 days	Test method for thermoelectric power of precision resistance alloys	Obsolete

Similar standards

GB/T 3655 GB/T 5162 GB/T 4339 GB/T 6148 GB/T 6146

Basic data

Standard ID: GB/T 6147-2025 (GB/T6147-2025)
Description (Translated English): Test method for thermoelectric power of precision resistance alloys
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H21
Classification of International Standard: 77.040.01, 17.200.20
Word Count Estimation: 10,151
Date of Issue: 2025-04-25
Date of Implementation: 2025-11-01
Older Standard (superseded by this standard): GB/T 6147-2005
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 6147-2025: Test method for thermoelectric power of precision resistance alloys

---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.
Test method for thermoelectric power of precision resistance alloys Precision resistance alloy thermal electromotive force rate test method ICS 77.040.01; 17.200.20 CCS H21 National Standard of the People's Republic of China Replace GB/T 6147-2005 Released on 2025-04-25 2025-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Preface ... Ⅲ 1 Scope ... 1 2 Normative references ... 1 3 Terms and Definitions ... 1 4 Principle ... 1 5 Test equipment ... 1 5.1 Composition 1 5.2 Standard Thermometer ... 2 5.3 Electrical measuring instruments ... 2 5.4 Switch ... 2 5.5 Constant temperature bath ... 2 5.6 Freezing point thermostat ... 3 5.7 Standard Electrode ... 3 6 Samples and preparation ... 3 6.1 Sample requirements 3 6.2 Sample preparation 3 7 Test Environment ... 3 8 Test Procedure ... 3 9 Data Processing ... 4 10 Precision and Accuracy ... 4 11 Test Report ... 4

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 is required. This document replaces GB/T 6147-2005 "Test method for thermal electromotive force rate of precision resistance alloys" and is consistent with GB/T 6147-2005. In addition to structural adjustments and editorial changes, the main technical changes are as follows. Added a summary of methods (see Chapter 4); a) The test equipment requirements have been changed (see Chapter 5, Chapter 5 of the.2005 edition); b) The sample requirements have been changed (see 6.1, 4.1 of the.2005 edition); c) The temperature change requirements of the thermostatic bath in the test method have been changed (see 8.4, 7.4 of the.2005 edition); d) Added polarity determination rules (see 9.4). e) 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 Machinery Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Instrument Functional Materials (SAC/TC 419). This document was drafted by. Chongqing Materials Research Institute Co., Ltd., Chongqing Chuanyi Automation Co., Ltd. Metal Functional Materials Branch, Shenzhen CGN Engineering Design Co., Ltd., Daya Bay Nuclear Power Operation and Management Co., Ltd., Chongqing Electronic Science and Technology Vocational University, Shenzhen Industry Zhan Electronics Co., Ltd., CGN Huizhou Nuclear Power Co., Ltd., Jiangsu Huaxin Alloy Co., Ltd., Chengdu Kaitian Electronics Co., Ltd., Zhejiang Taiso Technology Co., Ltd. and Shandong Liqun Alloy Materials Co., Ltd. The main drafters of this document are. Meng Gang, He Lunying, Tian Guangzheng, Hu Ziyang, Chen Shuzhi, Chen Rong, Zheng Yawen, Huang Meiliang, Chen Guoyi, Wang Fangjun, Li Feng, Yuan Xinming, Chen Jie, Lu Jiong, Li Guangfeng, Sha Hongwei, Zhang Liqun, Zhu Yahui, Wu Yang, Wang Yong, Jiang Dong, Si Hengyuan, He Xiangjie, Fu Yueming, Tang Mao. The previous versions of this document and the documents it replaces are as follows. First published in 1985 as GB/T 6147-1985, first revised in.2005; - This is the second revision. - Precision resistance alloy thermal electromotive force rate test method

1 Scope

This document describes the test method for the thermal electromotive force rate of precision resistance alloys, including the principle, test device, specimen and preparation, test environment, environment, test procedures, data handling, precision and accuracy, and test reporting. This document is applicable to the test of the thermal electromotive force rate of precision resistance alloys within the range of -65 ℃ to 250 ℃. Other metal materials are The test of thermal electromotive force rate within the range is performed as reference.

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. in this document. GB/T 2903 Copper ﹘ Copper Nickel (Constantan) Thermocouple Wire JB/T 6819.2 Terminology of instrument materials Temperature measuring materials JB/T 6819.3 Terminology of instrument materials - Resistor materials, conductive materials and electrical contact materials

3 Terms and definitions

The terms and definitions defined in JB/T 6819.2 and JB/T 6819.3 and the following apply to this document. 3.1 Thermoelectric power Assuming that the thermoelectric potential is linearly related to temperature, the thermoelectric potential generated for every 1°C temperature difference.

4 Principle

The sample is paired with a standard electrode (platinum wire or copper wire) to form a thermocouple. The thermal electric field generated by each 1°C change in temperature between (t~t0) is Potential is the thermoelectric potential ratio of the alloy to platinum (or to copper).

5 Test equipment

5.1 Composition The test device is mainly composed of standard thermometer, electric measuring instrument, switch, constant temperature bath, ice point thermostat and standard electrode. The schematic diagram of the device is shown in Figure 1. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 6147-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 6147-2025_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 GB/T 6147-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 6147-2025_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 6147-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6147-2025 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.