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提高低溫恒溫槽靈敏度的方法

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提高低溫恒溫槽靈敏度的方法:
(1)恒溫溶液:恒溫介質流動性好,傳熱性能好,控制靈敏度高,則準確度高;電接點溫度計熱容小,對溫度的變化敏感,則靈敏度高
(2)定溫計:定溫計的熱容小,與恒溫溶液的接觸面積大,水銀與鉑絲和毛細管壁間的粘附作用小,則準確度好。
(3)加熱器:在功率足以補充恒溫槽單位時間內向環境散失能量的前提下,加熱器功率愈小,準確度愈好。另外,加熱器本身的熱容越小,加熱器管壁的導熱效率越高,則準確度越好。 
(4)繼電器:繼電器電磁吸引電鍵,后者發生機械作用的時間愈短,斷電時線圈中的鐵芯剩磁愈小,控制靈敏度就高。
(5)攪拌器:攪拌速度需足夠大,使恒溫溶液各部分攝氏度能盡量一致。
(6)其他:環境溫度與設定溫度差值越小,攪拌器速度要足夠大,控溫效果越好

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