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介紹下電熱恒溫鼓風(fēng)干燥箱操作規程

更新時(shí)間:2015-05-11      點(diǎn)擊次數:503
  電熱恒溫鼓風(fēng)干燥箱適用于工礦企業(yè)實(shí)驗室、醫藥衛生、科研單位對大型物品作干燥、烘焙、熔臘、滅菌、固化使用。下面簡(jiǎn)單介紹下該實(shí)驗室設備的操作規程:

  干燥箱用于試樣的烘熔、干燥或其他加熱用。zui高工作溫度為300℃。干燥箱在環(huán)境溫度不大于40℃,空氣相對濕度不大于85%條件下工作,用的插頭插座,并用比電源線(xiàn)粗一倍之導線(xiàn)接地。使用前檢查電氣絕緣性能,并注意有否斷路、短路及漏電現象。

  箱上放入溫度計,打開(kāi)電源調節溫控旋鈕到設定溫度,至交流接觸開(kāi)關(guān)剛好斷開(kāi)時(shí)檢查溫度計的讀數與設定值是否相符,如果有出入則進(jìn)行微調,直至恒溫溫度符合設置溫度。

  打開(kāi)頂部或底部排氣孔排除箱內濕氣,試品鋼板zui大平均負荷為15Kg,,放置切勿過(guò)重、過(guò)密,一定要留有空隙,工作室底板上不能放置試品,干燥箱內嚴禁放入易燃、易揮發(fā)物品,以防爆炸。

  通上電源,綠色指示燈亮,開(kāi)啟鼓風(fēng)開(kāi)關(guān),鼓風(fēng)電機運轉,開(kāi)啟加熱電源,干燥箱即進(jìn)入工作狀態(tài),工作時(shí),箱門(mén)不宜經(jīng)常打開(kāi),以免影響恒溫場(chǎng),本設備無(wú)超溫保護裝置,故工作時(shí)應有專(zhuān)人監測箱內溫度,一旦溫度失控,應及時(shí)斷電檢查,以免發(fā)生事故。

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