[高低溫試驗箱]高低溫試驗箱在做高溫或低溫試驗時的區別
[高低溫試驗箱]高低溫(wen)試(shi)驗箱(xiang)在做高溫(wen)或低溫(wen)試(shi)驗時的區(qu)別
高(gao)低溫試(shi)驗(yan)箱分別(bie)在(zai)做高(gao)溫或低溫試(shi)驗(yan)的(de)時候(hou)有哪些區(qu)別(bie)?我(wo)們(men)經常在(zai)說的(de)都是(shi)高(gao)低溫試(shi)驗(yan)箱的(de)各種參數(shu)之類的(de),那么今天給大(da)家講講試(shi)驗(yan)步驟與目的(de):
目的:高低溫試(shi)驗箱檢驗系(xi)統(tong)及系(xi)統(tong)內各設備在高溫環境下(xia)正常工作的能力。 試(shi)驗設備:試(shi)驗設備應符(fu)合(he)GB16838的規(gui)定。
試驗步驟:
1. 將試樣(yang)在正常大氣下(xia)放(fang)(fang)置2h~4h后放(fang)(fang)入高低溫箱試驗箱中,接(jie)通電(dian)源,使其處(chu)于主電(dian)工作狀態。
2. 高(gao)溫(wen)(wen)(wen):以(yi)不大于1℃/min的平均升溫(wen)(wen)(wen)速率升到55℃±2℃保持16h 。 低溫(wen)(wen)(wen):以(yi)不大于1℃/min的平均升溫(wen)(wen)(wen)速率升到0℃±1℃保持24h 。
3. 按本標準7.2的步驟進行實驗(yan)。
試驗結果:試樣在高溫環境下的性能應(ying)滿足6.3.6.12的要求。
其實(shi)這二者沒什么很大(da)的(de)(de)區(qu)別,唯一(yi)(yi)的(de)(de)就是在(zai)溫度上具有了一(yi)(yi)個高(gao)溫,一(yi)(yi)個低溫的(de)(de)要求從而出現了不(bu)同,您可以作為參考。
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