對(dui)(dui)(dui)(dui)高(gao)低(di)溫測試(shi)(shi)(shi)(shi)(shi)(shi)(shi)箱中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)的(de)處(chu)理(li)在 GJB 150 中(zhong)(zhong)(zhong)(zhong)(zhong)有(you)明確規(gui)定(ding)(ding)，它將(jiang)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)分(fen)為三種情(qing)況(kuang)考慮，即容差(cha)范圍(wei)內(nei)的(de)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)、欠試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)和過(guo)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)，不(bu)同(tong)的(de)情(qing)況(kuang)有(you)不(bu)同(tong)的(de)處(chu)理(li)方法。對(dui)(dui)(dui)(dui)容差(cha)范圍(wei)內(nei)的(de)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)，當中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)期間(jian)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)沒(mei)有(you)超出允許誤(wu)(wu)差(cha)范圍(wei)時(shi)(shi)(shi)，中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)時(shi)(shi)(shi)間(jian)應(ying)作為總試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)時(shi)(shi)(shi)間(jian)的(de)一部分(fen)；對(dui)(dui)(dui)(dui)欠試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)的(de)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)，當試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)低(di)于(yu)允許誤(wu)(wu)差(cha)下*，應(ying)從低(di)于(yu)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)的(de)點重(zhong)新(xin)達到預(yu)先(xian)規(gui)定(ding)(ding)的(de)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)，恢復試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)，一直進(jin)行到完成預(yu)定(ding)(ding)的(de)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)周期；對(dui)(dui)(dui)(dui)過(guo)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)樣(yang)品(pin)(pin)重(zhong)做，如(ru)果(guo)過(guo)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)不(bu)會直接造成影響試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)處(chu)理(li)，如(ru)果(guo)以(yi)后試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)出現試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)樣(yang)品(pin)(pin)失效，則應(ying)認(ren)為此試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)結果(guo)無效。 在實際工作中(zhong)(zhong)(zhong)(zhong)(zhong)，我們對(dui)(dui)(dui)(dui)因試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)樣(yang)品(pin)(pin)的(de)故障(zhang)引(yin)起的(de)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)，采用待試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)樣(yang)品(pin)(pin)修復后重(zhong)新(xin)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)的(de)方法；對(dui)(dui)(dui)(dui)于(yu)因試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)設備的(de)原因 ( 如(ru)突然停水(shui)、停電、設備故障(zhang)等(deng) ) 而引(yin)起的(de)試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)，如(ru)果(guo)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)時(shi)(shi)(shi)間(jian)不(bu)是很長 (2 小時(shi)(shi)(shi)以(yi)內(nei) ) ，我們通常按照 GJB 150 中(zhong)(zhong)(zhong)(zhong)(zhong)規(gui)定(ding)(ding)的(de)欠試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)條(tiao)件(jian)(jian)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)進(jin)行處(chu)理(li)，如(ru)果(guo)時(shi)(shi)(shi)間(jian)過(guo)長 , 這(zhe)項試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)必須重(zhong)做。之所(suo)以(yi)這(zhe)樣(yang)應(ying)用試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)中(zhong)(zhong)(zhong)(zhong)(zhong)斷(duan)(duan)(duan)處(chu)理(li)的(de)規(gui)定(ding)(ding)，是由試(shi)(shi)(shi)(shi)(shi)(shi)(shi)驗(yan)樣(yang)品(pin)(pin)溫度(du)穩定(ding)(ding)的(de)規(gui)定(ding)(ding)來決(jue)定(ding)(ding)的(de)。 

     高低溫(wen)(wen)測試(shi)(shi)箱溫(wen)(wen)度(du)(du)(du)試(shi)(shi)驗中(zhong)有關試(shi)(shi)驗溫(wen)(wen)度(du)(du)(du)下(xia)(xia)(xia)的(de)(de)(de)持續時(shi)(shi)(shi)(shi)間(jian)(jian)(jian)的(de)(de)(de)確定(ding)(ding)常以(yi)試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)在(zai)該溫(wen)(wen)度(du)(du)(du)下(xia)(xia)(xia)達(da)到(dao)溫(wen)(wen)度(du)(du)(du)穩(wen)(wen)(wen)(wen)(wen)定(ding)(ding)為準。由于(yu)產品(pin)(pin)(pin)(pin)結構和材料以(yi)及試(shi)(shi)驗設(she)備能力的(de)(de)(de)不(bu)同(tong)，不(bu)同(tong)產品(pin)(pin)(pin)(pin)在(zai)同(tong)一(yi)(yi)溫(wen)(wen)度(du)(du)(du)下(xia)(xia)(xia)達(da)到(dao)溫(wen)(wen)度(du)(du)(du)穩(wen)(wen)(wen)(wen)(wen)定(ding)(ding)的(de)(de)(de)時(shi)(shi)(shi)(shi)間(jian)(jian)(jian)是不(bu)同(tong)的(de)(de)(de)。當(dang)把試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)的(de)(de)(de)表面(mian)被加熱(re)量(liang) ( 或冷卻 ) ，然(ran)后(hou)逐漸傳(chuan)到(dao)試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)內部。這樣(yang)(yang)一(yi)(yi)個(ge)導熱(re)過程是一(yi)(yi)個(ge)穩(wen)(wen)(wen)(wen)(wen)定(ding)(ding)導熱(re)過程，試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)內部溫(wen)(wen)度(du)(du)(du)達(da)到(dao)熱(re)平(ping)衡(heng)要(yao)比試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)表面(mian)達(da)到(dao)熱(re)平(ping)衡(heng)的(de)(de)(de)時(shi)(shi)(shi)(shi)間(jian)(jian)(jian)存在(zai)一(yi)(yi)個(ge)時(shi)(shi)(shi)(shi)滯，這個(ge)時(shi)(shi)(shi)(shi)滯就是溫(wen)(wen)度(du)(du)(du)穩(wen)(wen)(wen)(wen)(wen)定(ding)(ding)時(shi)(shi)(shi)(shi)間(jian)(jian)(jian)。對無法測量(liang)溫(wen)(wen)度(du)(du)(du)穩(wen)(wen)(wen)(wen)(wen)定(ding)(ding)的(de)(de)(de)試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)規(gui)定(ding)(ding)了所需zui短(duan)時(shi)(shi)(shi)(shi)間(jian)(jian)(jian)，即在(zai)不(bu)工作(zuo)(zuo)狀態下(xia)(xia)(xia)，無法測量(liang)時(shi)(shi)(shi)(shi)，溫(wen)(wen)度(du)(du)(du)穩(wen)(wen)(wen)(wen)(wen)定(ding)(ding)zui短(duan)時(shi)(shi)(shi)(shi)間(jian)(jian)(jian)為 3 小(xiao)時(shi)(shi)(shi)(shi)，在(zai)工作(zuo)(zuo)狀態下(xia)(xia)(xia)，溫(wen)(wen)度(du)(du)(du)穩(wen)(wen)(wen)(wen)(wen)定(ding)(ding)zui短(duan)時(shi)(shi)(shi)(shi)間(jian)(jian)(jian)為 2 小(xiao)時(shi)(shi)(shi)(shi)，在(zai)實際工作(zuo)(zuo)中(zhong)，我們就以(yi) 2 小(xiao)時(shi)(shi)(shi)(shi)當(dang)作(zuo)(zuo)溫(wen)(wen)度(du)(du)(du)穩(wen)(wen)(wen)(wen)(wen)定(ding)(ding)時(shi)(shi)(shi)(shi)間(jian)(jian)(jian)。當(dang)試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)達(da)到(dao)溫(wen)(wen)度(du)(du)(du)穩(wen)(wen)(wen)(wen)(wen)定(ding)(ding)后(hou)，如果試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)周圍溫(wen)(wen)度(du)(du)(du)突然(ran)變(bian)(bian)化(hua)(hua)時(shi)(shi)(shi)(shi)，處于(yu)熱(re)平(ping)衡(heng)狀態下(xia)(xia)(xia)的(de)(de)(de)試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)也相應地存在(zai)一(yi)(yi)個(ge)時(shi)(shi)(shi)(shi)滯，即在(zai)時(shi)(shi)(shi)(shi)間(jian)(jian)(jian)很短(duan)的(de)(de)(de)情況下(xia)(xia)(xia)，試(shi)(shi)驗樣(yang)(yang)品(pin)(pin)(pin)(pin)內部的(de)(de)(de)溫(wen)(wen)度(du)(du)(du)不(bu)至(zhi)于(yu)有太大的(de)(de)(de)變(bian)(bian)化(hua)(hua)。 

     在進(jin)行高低(di)溫(wen)濕(shi)熱試(shi)(shi)驗(yan)(yan)(yan)(yan)過程中(zhong)，如果遇(yu)到突然停水、停電(dian)或試(shi)(shi)驗(yan)(yan)(yan)(yan)設(she)(she)(she)備(bei)故障的(de)(de)情況(kuang)，我們首先應密閉試(shi)(shi)驗(yan)(yan)(yan)(yan)箱(xiang)門，因為高低(di)溫(wen)濕(shi)熱試(shi)(shi)驗(yan)(yan)(yan)(yan)設(she)(she)(she)備(bei)突然停止(zhi)運行時(shi)，只要(yao)密閉箱(xiang)門，試(shi)(shi)驗(yan)(yan)(yan)(yan)箱(xiang)門的(de)(de)溫(wen)度不會急劇地變化，在時(shi)間很短(duan)的(de)(de)情況(kuang)下，試(shi)(shi)驗(yan)(yan)(yan)(yan)樣(yang)品(pin)內部的(de)(de)溫(wen)度也(ye)不會有太大的(de)(de)變化；然后(hou)，確定這(zhe)次中(zhong)斷是否對試(shi)(shi)驗(yan)(yan)(yan)(yan)樣(yang)品(pin)造(zao)(zao)成(cheng)影(ying)(ying)(ying)響，如果對試(shi)(shi)驗(yan)(yan)(yan)(yan)樣(yang)品(pin)沒有造(zao)(zao)成(cheng)影(ying)(ying)(ying)響，并且試(shi)(shi)驗(yan)(yan)(yan)(yan)設(she)(she)(she)備(bei)能夠在短(duan)時(shi)間內恢(hui)復正常工(gong)作，我們就可以按照 GJB 150 所規定的(de)(de)欠試(shi)(shi)驗(yan)(yan)(yan)(yan)條件中(zhong)斷的(de)(de)處理方法繼續進(jin)行試(shi)(shi)驗(yan)(yan)(yan)(yan)，除非試(shi)(shi)驗(yan)(yan)(yan)(yan)的(de)(de)中(zhong)斷對試(shi)(shi)驗(yan)(yan)(yan)(yan)樣(yang)品(pin)造(zao)(zao)成(cheng)了一定的(de)(de)影(ying)(ying)(ying)響。 

尊敬的客戶：
您好，科文公司是一支技術力量雄厚的高素質的開發群體，為廣大用戶提供高品質產品、完整的解決方案和的技術服務公司。東莞科文主要產品有：步入式恒溫恒濕試驗室，環境應力篩選試驗箱，紫外光加速老化試驗機，快速溫度變化試驗箱，步入式環境試驗室，紫外老化測試儀，太陽輻射試驗箱，調溫調濕箱等。 本企業堅持以誠信立業、以品質守業、以進取興業的宗旨，以更堅定的步伐不斷攀登新的高峰，為民族試驗設備行業作出貢獻，歡迎新老顧客放心選購自己心儀的產品。我們將竭誠為您服務！