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PTC機柜加熱器

低溫恒溫槽工作原理有哪些

發布日期:2022-04-18 點擊率:68

 

低溫恒溫槽工作原理
1、低溫恒溫槽內液體介質的選用應符合以下原則:
當工作溫度在5~85℃時,液體介質一般選用水;當工作溫度在85~95℃時,液體介質可選用15%甘油水溶液;當工作溫度高于95℃時,液體介質一般選用油,并且所選擇的油品的開杯閃點值應高于工作溫度50℃以上;(這里的工作溫度是指槽內液體介質要達到的溫度)
2、當恒溫槽工作溫度較高時,應注意不要開啟上蓋,手勿進入槽內,以防燙傷;
3、使用低溫槽-低溫恒溫槽前槽內加入液體介質,介質液面應低于工作臺板30mm左右,否則通電工作時會損壞加熱器
4、電源:220V50Hz,電源功率應大于儀器的總功率,電源必須有良好“接地”裝置;
5、儀器應安置于干燥通風處,儀器周圍300mm內無障礙物;
6、儀器應做好經常性清潔工作,保持工作臺面和操作面板的整潔;
7、經常注意觀察槽內液面高低,當液面過低時,應及時添加液體介質;
8、使用完畢,所有開關置于關閉狀態,切斷電源;

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