是(shi)(shi)指(zhi)(zhi)水銀柱指(zhi)(zhi)示的(de)位置不(bu)(bu)隨著(zhu)溫(wen)度(du)的(de)下降(jiang)(jiang)而下降(jiang)(jiang),仍留在并指(zhi)(zhi)示著(zhu)曾經(jing)達到過(guo)的(de)Z高點(dian)。像我們所用(yong)(yong)的(de)體(ti)溫(wen)計就是(shi)(shi)這(zhe)樣一(yi)種(zhong)溫(wen)度(du)計,不(bu)(bu)過(guo)實驗室用(yong)(yong)的(de)設計溫(wen)度(du)要比體(ti)溫(wen)計高得多,一(yi)般是(shi)(shi)200度(du)左(zuo)右. 留點棒式溫(wen)度(du)(du)計,溫(wen)度(du)(du)0-50度(du)(du),0-100度(du)(du),0-150度(du)(du),0-200度(du)(du),0-250度(du)(du) 0-300度(du)(du)分度(du)(du)值(zhi)1度(du)(du),分度(du)(du)值(zhi)2度(du)(du),分度(du)(du)值(zhi)0.5度(du)(du),各種長度(du)(du)可以根(gen)據客(ke)戶(hu)要求定制。 |