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高(gao)(gao)低溫(wen)試(shi)(shi)驗(yan)箱屬于高(gao)(gao)精密儀器，在(zai)(zai)購買時一定(ding)要(yao)知道所使(shi)用(yong)的(de)(de)(de)電(dian)(dian)(dian)源(yuan)(yuan)，因為(wei)有的(de)(de)(de)是(shi)(shi)(shi)放(fang)在(zai)(zai)車(che)間(jian)使(shi)用(yong)（車(che)間(jian)一般都是(shi)(shi)(shi)380V的(de)(de)(de)電(dian)(dian)(dian)）有的(de)(de)(de)放(fang)在(zai)(zai)辦公(gong)室(shi)使(shi)用(yong)（一般辦公(gong)室(shi)是(shi)(shi)(shi)220V的(de)(de)(de)電(dian)(dian)(dian)），高(gao)(gao)低溫(wen)試(shi)(shi)驗(yan)箱電(dian)(dian)(dian)源(yuan)(yuan)選擇(ze)不管是(shi)(shi)(shi)220V還(huan)是(shi)(shi)(shi)380V都是(shi)(shi)(shi)三(san)相(xiang)以上(shang)電(dian)(dian)(dian)源(yuan)(yuan)接口的(de)(de)(de)，如果溫(wen)度在(zai)(zai)-40度以下，而(er)且箱體在(zai)(zai)225L以上(shang)的(de)(de)(de)，建議選擇(ze)380V四相(xiang)電(dian)(dian)(dian)源(yuan)(yuan)接口，因這樣對(dui)整(zheng)個實驗(yan)室(shi)的(de)(de)(de)用(yong)電(dian)(dian)(dian)比較穩定(ding)，對(dui)設備本身的(de)(de)(de)壽命也(ye)有好處; 因為(wei)在(zai)(zai)遇(yu)到很多客戶在(zai)(zai)購買高(gao)(gao)低溫(wen)試(shi)(shi)驗(yan)箱時，沒有了解清楚放(fang)置(zhi)(zhi)的(de)(de)(de)位(wei)置(zhi)(zhi)，從而(er)造成很大的(de)(de)(de)麻煩。

還高低溫(wen)試(shi)驗(yan)(yan)(yan)箱(xiang)使(shi)用(yong)的環(huan)境(jing)要(yao)(yao)求：試(shi)驗(yan)(yan)(yan)周(zhou)期長，試(shi)驗(yan)(yan)(yan)的對象有(you)時是價(jia)值很(hen)高的軍工(gong)(gong)產品，試(shi)驗(yan)(yan)(yan)過程中，試(shi)驗(yan)(yan)(yan)人員(yuan)經常(chang)(chang)要(yao)(yao)在現場周(zhou)圍進(jin)行操作或測試(shi)工(gong)(gong)作，因(yin)此(ci)要(yao)(yao)求環(huan)境(jing)試(shi)驗(yan)(yan)(yan)設備(bei)必須具(ju)有(you)運行安(an)全、操作方(fang)便、使(shi)用(yong)可靠(kao)、工(gong)(gong)作壽命長等特點，以確保(bao)試(shi)驗(yan)(yan)(yan)本(ben)身的正常(chang)(chang)進(jin)行。試(shi)驗(yan)(yan)(yan)設備(bei)的各種保(bao)護、告警措施及安(an)全聯鎖裝置應該(gai)完善(shan)可靠(kao)，以保(bao)證試(shi)驗(yan)(yan)(yan)人員(yuan)、被試(shi)產品和試(shi)驗(yan)(yan)(yan)設備(bei)本(ben)身的安(an)全可靠(kao)性(xing).