鉑電(dian)阻溫度(du)計，金屬的(de)(de)(de)內部導電(dian)過程較(jiao)復雜，其電(dian)阻率簡單的(de)(de)(de)可由(you)兩部分組成(cheng)ρ=ρ1(T) ρr，ρ1(T)是由(you)晶格格點(dian)的(de)(de)(de)熱運動所(suo)引起，它與溫度(du)有關，稱為聲子電(dian)阻率。

  《用(yong)于(yu)標(biao)(biao)準(zhun)鉑(bo)電(dian)(dian)阻(zu)(zu)溫(wen)(wen)度(du)(du)計(ji)(ji)的(de)(de)固定點裝(zhuang)置(zhi)(zhi)校(xiao)(xiao)準(zhun)規(gui)(gui)范》本規(gui)(gui)范適用(yong)于(yu)－189.3442℃～961.78℃范圍中用(yong)于(yu)分度(du)(du)高(gao)溫(wen)(wen)鉑(bo)電(dian)(dian)阻(zu)(zu)溫(wen)(wen)度(du)(du)計(ji)(ji)及(ji)標(biao)(biao)準(zhun)鉑(bo)電(dian)(dian)阻(zu)(zu)溫(wen)(wen)度(du)(du)計(ji)(ji)的(de)(de)固定點裝(zhuang)置(zhi)(zhi)的(de)(de)校(xiao)(xiao)準(zhun)。該(gai)標(biao)(biao)準(zhun)的(de)(de)起草參考了990《國際溫(wen)(wen)標(biao)(biao)宣貫手冊》、JJG160-1992《標(biao)(biao)準(zhun)鉑(bo)電(dian)(dian)阻(zu)(zu)溫(wen)(wen)度(du)(du)計(ji)(ji)檢(jian)(jian)(jian)定規(gui)(gui)程(cheng)(cheng)》、JJG716-1991《0℃～419.527℃工(gong)作基準(zhun)鉑(bo)電(dian)(dian)阻(zu)(zu)溫(wen)(wen)度(du)(du)計(ji)(ji)檢(jian)(jian)(jian)定規(gui)(gui)程(cheng)(cheng)》、JJG859-1994《標(biao)(biao)準(zhun)長桿鉑(bo)電(dian)(dian)阻(zu)(zu)溫(wen)(wen)度(du)(du)計(ji)(ji)檢(jian)(jian)(jian)定規(gui)(gui)程(cheng)(cheng)》、JJG985-2004《高(gao)溫(wen)(wen)鉑(bo)電(dian)(dian)阻(zu)(zu)溫(wen)(wen)度(du)(du)計(ji)(ji)工(gong)作基準(zhun)裝(zhuang)置(zhi)(zhi)檢(jian)(jian)(jian)定規(gui)(gui)程(cheng)(cheng)》等文獻，是標(biao)(biao)準(zhun)規(gui)(gui)范得到(dao)更完(wan)善(shan)的(de)(de)建立(li)。

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