GB/T 6147-2025精密電阻合金熱電動勢率測試方法

ICS

77.040.01；17.200.20

CCS

H21

中華人民共和國國家標準

GB/T6147—2025

代替GB/T6147—2005

精密電阻合金熱電動勢率測試方法

Testmethodforthermoelectricpowerofprecisionresistancealloys

2025-04-25發布2025-11-01實施

國家市場監督管理總局發布

國家標準化管理委員會

GB/T6147—2025

目次

前言

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Ⅲ

1

范圍

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2

規范性引用文件

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3

術語和定義

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4

原理

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5

測試裝置

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5.1

組成

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5.2

標準溫度計

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5.3

電測儀器

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5.4

轉換開關

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5.5

恒溫槽

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5.6

冰點恒溫器

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5.7

標準電極

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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

測試環境

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8

測試程序

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9

數據處理

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10

精密度和準確度

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11

測試報告

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Ⅰ

GB/T6147—2025

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規則》的規

定起草。

本文件代替GB/T6147—2005《精密電阻合金熱電動勢率測試方法》，與GB/T6147—2005相

比，除結構調整和編輯性改動外，主要技術變化如下：

a）增加了方法提要（見第4章）；

b）更改了測試裝置要求（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）增加了極性判定規則（見9.4）。

請注意本文件的某些內容可能涉及專利。本文件的發布機構不承擔識別專利的責任。

本文件由中國機械工業聯合會提出。

本文件由全國儀表功能材料標準化技術委員會（SAC/TC419）歸口。

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

深圳中廣核工程設計有限公司、大亞灣核電運營管理有限責任公司、重慶電子科技職業大學、深圳市業

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、陳蜀志、陳容、鄭雅文、黃美良、陳國壹、

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、何湘杰、付月明、唐茂。

本文件及其所代替文件的歷次版本發布情況為：

—1985年首次發布為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勢率測試方法

1范圍

本文件描述了精密電阻合金熱電動勢率的測試方法，包括原理、測試裝置、試樣及制備、測試環

境、測試程序、數據處理、精密度和準確度以及測試報告。

本文件適用于在-65℃～250℃范圍內，精密電阻合金熱電動勢率的測試。其他金屬材料在此溫度

范圍內的熱電動勢率的測試參照執行。

2規范性引用文件

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

件，僅該日期對應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儀表材料術語測溫材料

JB/T6819.3儀表材料術語電阻材料、導電材料和電接點材料

3術語和定義

JB/T6819.2和JB/T6819.3界定的以及下列術語和定義適用于本文件。

3.1

熱電動勢率thermoelectricpower

假定熱電動勢與溫度呈線性關系時，每1℃的溫度差所產生的熱電動勢。

4原理

將試樣與標準電極（鉑絲或銅絲）配對成熱電