GB/T 6147-2025精密電阻合金熱電動(dòng)勢(shì)率測(cè)試方法

ICS

77.040.01；17.200.20

CCS

H21

中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)

GB/T6147—2025

代替GB/T6147—2005

精密電阻合金熱電動(dòng)勢(shì)率測(cè)試方法

Testmethodforthermoelectricpowerofprecisionresistancealloys

2025-04-25發(fā)布2025-11-01實(shí)施

國(guó)家市場(chǎng)監(jiān)督管理總局發(fā)布

國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)

GB/T6147—2025

目次

前言

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1

范圍

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2

規(guī)范性引用文件

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3

術(shù)語(yǔ)和定義

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4

原理

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5

測(cè)試裝置

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5.1

組成

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5.2

標(biāo)準(zhǔn)溫度計(jì)

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5.3

電測(cè)儀器

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5.4

轉(zhuǎn)換開關(guān)

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5.5

恒溫槽

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5.6

冰點(diǎn)恒溫器

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5.7

標(biāo)準(zhǔn)電極

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6

試樣及制備

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6.1

試樣要求

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6.2

試樣制備

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7

測(cè)試環(huán)境

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8

測(cè)試程序

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9

數(shù)據(jù)處理

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10

精密度和準(zhǔn)確度

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11

測(cè)試報(bào)告

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Ⅰ

GB/T6147—2025

前言

本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

本文件代替GB/T6147—2005《精密電阻合金熱電動(dòng)勢(shì)率測(cè)試方法》，與GB/T6147—2005相

比，除結(jié)構(gòu)調(diào)整和編輯性改動(dòng)外，主要技術(shù)變化如下：

a）增加了方法提要（見第4章）；

b）更改了測(cè)試裝置要求（見第5章，2005年版的第5章）；

c）更改了試樣要求（見6.1，2005年版的4.1）；

d）更改了測(cè)試方法中恒溫槽溫度變化要求（見8.4，2005年版的7.4）；

e）增加了極性判定規(guī)則（見9.4）。

請(qǐng)注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專利的責(zé)任。

本文件由中國(guó)機(jī)械工業(yè)聯(lián)合會(huì)提出。

本文件由全國(guó)儀表功能材料標(biāo)準(zhǔn)化技術(shù)委員會(huì)（SAC/TC419）歸口。

本文件起草單位：重慶材料研究院有限公司、重慶川儀自動(dòng)化股份有限公司金屬功能材料分公司、

深圳中廣核工程設(shè)計(jì)有限公司、大亞灣核電運(yùn)營(yíng)管理有限責(zé)任公司、重慶電子科技職業(yè)大學(xué)、深圳市業(yè)

展電子有限公司、中廣核惠州核電有限公司、江蘇華鑫合金有限公司、成都凱天電子股份有限公司、

浙江泰索科技有限公司、山東力群合金材料有限公司。

本文件主要起草人：孟剛、何倫英、田廣政、胡紫陽(yáng)、陳蜀志、陳容、鄭雅文、黃美良、陳國(guó)壹、

王方軍、李鳳、袁鑫明、陳潔、陸炅、李廣鋒、沙洪偉、張力群、朱亞輝、吳洋、王勇、蔣棟、

司恒遠(yuǎn)、何湘杰、付月明、唐茂。

本文件及其所代替文件的歷次版本發(fā)布情況為：

—1985年首次發(fā)布為GB/T6147—1985，2005年第一次修訂；

—本次為第二次修訂。

Ⅲ

GB/T6147—2025

精密電阻合金熱電動(dòng)勢(shì)率測(cè)試方法

1范圍

本文件描述了精密電阻合金熱電動(dòng)勢(shì)率的測(cè)試方法，包括原理、測(cè)試裝置、試樣及制備、測(cè)試環(huán)

境、測(cè)試程序、數(shù)據(jù)處理、精密度和準(zhǔn)確度以及測(cè)試報(bào)告。

本文件適用于在-65℃～250℃范圍內(nèi)，精密電阻合金熱電動(dòng)勢(shì)率的測(cè)試。其他金屬材料在此溫度

范圍內(nèi)的熱電動(dòng)勢(shì)率的測(cè)試參照?qǐng)?zhí)行。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中，注日期的引用文

件，僅該日期對(duì)應(yīng)的版本適用于本文件；不注日期的引用文件，其最新版本（包括所有的修改單）適用

于本文件。

GB/T2903銅?銅鎳（康銅）熱電偶絲

JB/T6819.2儀表材料術(shù)語(yǔ)測(cè)溫材料

JB/T6819.3儀表材料術(shù)語(yǔ)電阻材料、導(dǎo)電材料和電接點(diǎn)材料

3術(shù)語(yǔ)和定義

JB/T6819.2和JB/T6819.3界定的以及下列術(shù)語(yǔ)和定義適用于本文件。

3.1

熱電動(dòng)勢(shì)率thermoelectricpower

假定熱電動(dòng)勢(shì)與溫度呈線性關(guān)系時(shí)，每1℃的溫度差所產(chǎn)生的熱電動(dòng)勢(shì)。

4原理

將試樣與標(biāo)準(zhǔn)電極（鉑絲或銅絲）配對(duì)成熱電