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電熱恒溫干燥箱操作方法

時間：2011/11/23閱讀：974
分享：
電熱恒溫干燥箱操作方法：
1.樣品放置：把需干燥處理的物品放入電熱恒溫干燥箱內(nèi)，上下四周應留存一定空間，保持工作室內(nèi)氣流暢通，關閉箱門。
2.風門調(diào)節(jié)：根據(jù)干燥物品的潮濕情況，把電熱恒溫干燥的風門調(diào)節(jié)旋鈕旋到合適位置，一般旋至“z"處；若比較潮濕．將調(diào)節(jié)旋鈕調(diào)節(jié)至”三”處（注意：風門的調(diào)節(jié)范圍約60"角）。
3.開機：打開電源及風機開關。此時電源指示燈亮，電機運轉．控溫儀顯示經(jīng)過 "自檢” 過程后，PV屏應顯示工作室內(nèi)測量溫度．SV屏應顯示使用中需干燥的設定溫度，此時電熱恒溫干燥箱即進入工作狀態(tài)。
4.設定所需溫度：按一下SET鍵．此時Pv屏顯示“5P"，用↑或↓改變原“SV""屏顯示的溫度值，直至達到需要值為止。設置完畢后，按一下SET鍵，PV顯示“5T" （進入定時功能）。若不使用定時功能則再按一下SET鍵，使PV屏顯示測量溫度，SV屏顯示設定溫度即可。（注意：不使用定時功能時，必須使Pv屏顯示的“ST”為零，即ST=O）
5.定時的設定：若使用定時，則當PV屏顯示“5T"時，SV屏顯示“0"；用加鍵設定所需別間（分）；設置完畢，按一下SET鍵，使干燥箱進入工作狀態(tài)即可。（注章：定時的計時功能是從設定完畢，進入工作狀態(tài)開始計算，故設定的時間一定要考慮把干燥箱加熱，恒溫、干燥三階段所需時間合并計算。）
6.控溫檢查：*次開機或使用一段時間或當季節(jié)（環(huán)境濕度）變化時．必須復核下工作室內(nèi)測量慍度和實際溫度之間的誤差，即控溫精度。
7.關機：干燥結束后．如需更換干燥物品，則在開箱門更換前先將風機開關關掉，以防干燥物被吹掉；更換完干燥物品后（注意：取出干燥物時，千萬注童小心燙傷），關好箱門，再打開風機開關，使干燥箱再次進入干燥過程；如不立刻取出物品，應先將風門調(diào)節(jié)旋鈕旋轉至“Z"處．再把電源開關關掉，以保持箱內(nèi)干燥；如不再繼續(xù)干燥物品，則將風門處于“三”處，把電源開關關掉，待箱內(nèi)冷卻至室溫后，取出箱內(nèi)干燥物品．將工作室擦干。

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