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賀利氏測溫探頭(tou)(tou)采用氧(yang)化物固體(ti)電(dian)(dian)解質(zhi)測量鋼(gang)(gang)水(shui)中氧(yang)含(han)量，當探頭(tou)(tou)插入鋼(gang)(gang)水(shui)后(hou)，在(zai)電(dian)(dian)解質(zhi)的電(dian)(dian)極界面將發生電(dian)(dian)極反(fan)應