根(gen)據(ju)(ju)測(ce)(ce)(ce)(ce)溫范圍(wei)選(xuan)擇：500℃以(yi)上一般(ban)(ban)選(xuan)擇熱(re)電(dian)(dian)偶，500℃以(yi)下一般(ban)(ban)選(xuan)擇熱(re)電(dian)(dian)阻； 根(gen)據(ju)(ju)測(ce)(ce)(ce)(ce)量(liang)精(jing)度(du)選(xuan)擇：對精(jing)度(du)要(yao)求較高(gao)選(xuan)擇熱(re)電(dian)(dian)阻，對精(jing)度(du)要(yao)求不(bu)高(gao)選(xuan)擇熱(re)電(dian)(dian)偶； 　　根(gen)據(ju)(ju)測(ce)(ce)(ce)(ce)量(liang)范圍(wei)選(xuan)擇：熱(re)電(dian)(dian)偶所測(ce)(ce)(ce)(ce)量(liang)的(de)(de)一般(ban)(ban)指(zhi)(zhi)“點"溫，熱(re)電(dian)(dian)阻所測(ce)(ce)(ce)(ce)量(liang)的(de)(de)一般(ban)(ban)指(zhi)(zhi)空間(jian)平均溫度(du)；2線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)(zhi)熱(re)電(dian)(dian)阻配線(xian)(xian)(xian)(xian)(xian)簡單，但要(yao)帶(dai)進(jin)引(yin)線(xian)(xian)(xian)(xian)(xian)電(dian)(dian)阻的(de)(de)附加誤差。因(yin)此不(bu)適(shi)用(yong)制(zhi)(zhi)(zhi)造精(jing)度(du)的(de)(de)熱(re)電(dian)(dian)阻，且在使用(yong)時(shi)引(yin)線(xian)(xian)(xian)(xian)(xian)及導線(xian)(xian)(xian)(xian)(xian)都不(bu)宜過長。線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)(zhi)可(ke)(ke)以(yi)消(xiao)除(chu)引(yin)線(xian)(xian)(xian)(xian)(xian)電(dian)(dian)阻的(de)(de)影(ying)響，測(ce)(ce)(ce)(ce)量(liang)精(jing)度(du)高(gao)于2線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)(zhi)。作為過程檢(jian)測(ce)(ce)(ce)(ce)元件，其應(ying)用(yong)廣。線(xian)(xian)(xian)(xian)(xian)制(zhi)(zhi)(zhi)不(bu)僅可(ke)(ke)以(yi)消(xiao)除(chu)引(yin)線(xian)(xian)(xian)(xian)(xian)電(dian)(dian)阻的(de)(de)影(ying)響，而(er)且在連接導線(xian)(xian)(xian)(xian)(xian)阻值(zhi)相同時(shi)，還可(ke)(ke)以(yi)消(xiao)除(chu)該電(dian)(dian)阻的(de)(de)影(ying)響。在高(gao)精(jing)度(du)測(ce)(ce)(ce)(ce)量(liang)時(shi)，要(yao)采用(yong)4線(xian)(xian)(xian)(xian)(xian)。

鎧裝熱電阻(zu)(zu)是一種溫(wen)度傳(chuan)感器，利用物質在溫(wen)度變(bian)化(hua)時，其電阻(zu)(zu)也隨著發生變(bian)化(hua)的特(te)征來測(ce)量溫(wen)度的。當阻(zu)(zu)值變(bian)化(hua)時，工(gong)作儀表便顯示出阻(zu)(zu)值所對(dui)應(ying)的溫(wen)度值。它(ta)比裝配式鉑電阻(zu)(zu)直徑小，易彎曲，適宜安裝在管道狹窄和(he)要求快(kuai)速反應(ying)、微型(xing)化(hua)等特(te)殊場合。