華中辦事處:
地址:湖南省長沙市開元中路88號星隆國際廣場2501
聯系人:黃經理
電話:
香港聯絡處:
聯系人:林先生
電話:
普(pu)通的(de)高(gao)低(di)溫(wen)試(shi)驗箱(xiang)(xiang)一般指的(de)是恒(heng)定高(gao)低(di)溫(wen)試(shi)驗箱(xiang)(xiang),其控(kong)制方式為:設定一個(ge)目(mu)標溫(wen)度,試(shi)驗箱(xiang)(xiang)具(ju)有自動恒(heng)溫(wen)到目(mu)標溫(wen)度點(dian)的(de)能力。高(gao)低(di)溫(wen)試(shi)驗箱(xiang)(xiang)的(de)控(kong)制控(kong)制方式也類似,設定一個(ge)目(mu)標溫(wen)度、濕(shi)度點(dian),試(shi)驗箱(xiang)(xiang)具(ju)有自動恒(heng)溫(wen)到目(mu)標溫(wen)度、濕(shi)度點(dian)的(de)能力。
高、低(di)(di)溫(wen)(wen)(wen)(wen)交(jiao)變試(shi)(shi)驗(yan)(yan)箱具(ju)有設(she)定一(yi)條(tiao)或者多(duo)條(tiao)高低(di)(di)溫(wen)(wen)(wen)(wen)變化、循環的(de)程序,試(shi)(shi)驗(yan)(yan)箱有能力根據預置(zhi)的(de)曲線完(wan)成試(shi)(shi)驗(yan)(yan)過程,并且可(ke)以(yi)在最大升溫(wen)(wen)(wen)(wen)、降(jiang)溫(wen)(wen)(wen)(wen)速率(lv)(lv)(lv)能力的(de)范圍內(nei),精(jing)確控制升溫(wen)(wen)(wen)(wen)、降(jiang)溫(wen)(wen)(wen)(wen)的(de)速率(lv)(lv)(lv),即可(ke)以(yi)根據設(she)定的(de)曲線的(de)斜率(lv)(lv)(lv)控制升溫(wen)(wen)(wen)(wen)、降(jiang)溫(wen)(wen)(wen)(wen)速率(lv)(lv)(lv)。同樣,高低(di)(di)溫(wen)(wen)(wen)(wen)交(jiao)變濕熱試(shi)(shi)驗(yan)(yan)箱也具(ju)有預置(zhi)溫(wen)(wen)(wen)(wen)度、濕度曲線,并且根據預置(zhi)進行控制的(de)能力。
當(dang)然(ran),恒(heng)工(gong)高(gao)(gao)低溫試(shi)驗(yan)(yan)(yan)箱(xiang)(xiang)(xiang)(xiang)都具有恒(heng)定試(shi)驗(yan)(yan)(yan)箱(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)功能(neng),但交變(bian)(bian)試(shi)驗(yan)(yan)(yan)箱(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)制造成本較(jiao)(jiao)高(gao)(gao),因為交變(bian)(bian)試(shi)驗(yan)(yan)(yan)箱(xiang)(xiang)(xiang)(xiang)需配置有曲線(xian)自動記錄裝(zhuang)置、程序(xu)控(kong)制儀,還須解決(jue)試(shi)驗(yan)(yan)(yan)箱(xiang)(xiang)(xiang)(xiang)在工(gong)作室內溫度較(jiao)(jiao)高(gao)(gao)的(de)(de)(de)情況下開啟制冷(leng)機等問題,因此,交變(bian)(bian)試(shi)驗(yan)(yan)(yan)箱(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)價(jia)格(ge)(ge)比恒(heng)定試(shi)驗(yan)(yan)(yan)箱(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)價(jia)格(ge)(ge)一般要高(gao)(gao)20%以上(shang)。因此,我(wo)們應當(dang)實事求是(shi)的以試(shi)(shi)驗方(fang)法的需要為出(chu)發點(dian),選用恒定試(shi)(shi)驗箱(xiang)(xiang)或者是(shi)交變試(shi)(shi)驗箱(xiang)(xiang)。