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真空熔煉爐常見的故障有哪些
發布時間:2019-07-11   瀏覽:7195次

  真空熔煉爐常見的故障有哪些

  真(zhen)空熔煉爐在(zai)使用長時間后會出現一些(xie)故障,這(zhe)是在(zai)所難免的。今天八佳小編就(jiu)和大(da)家說(shuo)說(shuo)當(dang)故障出現,要做哪些(xie)處(chu)理方(fang)法(fa)。

  1、故(gu)障現象: 真空熔煉爐運行正(zheng)常,但在正(zheng)常過流保護(hu)動作時燒毀較多(duo)的是KP晶閘管和快熔。

  分析處理: 過(guo)流(liu)保護時為了向電網釋放平(ping)波電抗器的(de)能量,整流(liu)橋(qiao)由整流(liu)狀(zhuang)態轉到逆(ni)變狀(zhuang)態,這時如果(guo)α>120度(du);,就有(you)(you)可能造成有(you)(you)源逆(ni)變顛(dian)覆,燒毀多只晶閘管和快(kuai)熔,開關跳伴隨有(you)(you)巨(ju)大的(de)電流(liu)短路爆炸聲(sheng),對(dui)變壓器產生較大的(de)電流(liu)和電磁力(li)沖擊,嚴重(zhong)時會(hui)損壞變亞器。

  2、故障(zhang)現象: 真空(kong)熔煉(lian)爐運行正(zheng)常,但在高(gao)電壓區內(nei)某(mou)點附近設(she)備(bei)工作(zuo)不穩定,直流(liu)電壓表(biao)晃動,設(she)備(bei)伴隨有(you)吱吱的聲音,這種情況極(ji)容易造成逆變橋顛覆燒毀晶閘管。

  分析處(chu)理: 這種(zhong)故障較難排除,多發生于設(she)備的某部件(jian)高壓打(da)火

  (1)真(zhen)空熔煉爐的連接(jie)銅排接(jie)頭螺絲松(song)動造成(cheng)打火

  (2)斷路器主接頭氧化(hua)導致打火(huo)

  (3)補償電(dian)(dian)(dian)容(rong)(rong)接線(xian)樁螺絲松動(dong),引起打火,補償電(dian)(dian)(dian)容(rong)(rong)內部放(fang)電(dian)(dian)(dian)阻容(rong)(rong)吸收電(dian)(dian)(dian)打火

  (4)水冷散熱器絕緣部分太臟或炭(tan)化對地打火

  (5)真空熔煉爐(lu)(lu)爐(lu)(lu)體感(gan)應(ying)線圈對爐(lu)(lu)殼/爐(lu)(lu) 底板打(da)火,爐(lu)(lu)體感(gan)應(ying)線圈匝間(jian)距太近,匝間(jian)打(da)火或(huo)起弧。固定爐(lu)(lu)體感(gan)應(ying)線圈的絕緣(yuan)柱(zhu)因(yin)高溫炭化(hua)放電打(da)火

  (6)晶(jing)閘管內部打火(huo)。

  以(yi)上就是真空(kong)熔煉(lian)爐廠家分析的兩(liang)種(zhong)常(chang)見的故(gu)障。大家明白了嗎?如果(guo)還(huan)有不(bu)明白,也(ye)可以(yi)打電話咨(zi)詢。


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真空燒結爐使用注意事項有哪些呢

真空燒結爐使用注意事項有哪些呢

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真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)是真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)技術中的(de)(de)(de)(de)(de)(de)(de)一(yi)個(ge)重要(yao)組(zu)成(cheng)(cheng)(cheng)部(bu)分(fen)(fen)(fen)。用(yong)(yong)(yong)(yong)于測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)的(de)(de)(de)(de)(de)(de)(de)儀(yi)(yi)(yi)器稱為(wei)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)。真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)甩(shuai)(shuai)帶爐(lu)常用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)有(you)(you):熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)等。它(ta)(ta)們的(de)(de)(de)(de)(de)(de)(de)工(gong)作原(yuan)理如下:   (一(yi))熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)   熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)由(you)(you)(you)(you)敏(min)感(gan)元件、熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)規(gui)(gui)管(guan)(guan)(guan)和(he)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)儀(yi)(yi)(yi)器組(zu)成(cheng)(cheng)(cheng)。真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)甩(shuai)(shuai)帶爐(lu)廠家(jia)表(biao)(biao)示,熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)規(gui)(gui)管(guan)(guan)(guan)與被(bei)(bei)測(ce)(ce)(ce)(ce)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)系(xi)統相通,外殼為(wei)玻璃管(guan)(guan)(guan),管(guan)(guan)(guan)內(nei)有(you)(you)加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)絲(si)(si)(si)(si)和(he)熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)絲(si)(si)(si)(si)。熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)絲(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)冷端和(he)熱(re)(re)(re)(re)(re)(re)(re)(re)端溫(wen)(wen)度(du)不同時,由(you)(you)(you)(you)于溫(wen)(wen)差(cha)效應(ying),在回(hui)路(lu)中有(you)(you)熱(re)(re)(re)(re)(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)勢(shi)產生。如加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)絲(si)(si)(si)(si)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)保持恒定(ding),則(ze)熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)絲(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)勢(shi)限決于加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)絲(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)溫(wen)(wen)度(du),而加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)絲(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)溫(wen)(wen)度(du)與被(bei)(bei)測(ce)(ce)(ce)(ce)氣(qi)(qi)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)強(qiang)有(you)(you)關。壓(ya)(ya)強(qiang)低,氣(qi)(qi)體(ti)(ti)(ti)熱(re)(re)(re)(re)(re)(re)(re)(re)導率小,被(bei)(bei)氣(qi)(qi)體(ti)(ti)(ti)帶走(zou)的(de)(de)(de)(de)(de)(de)(de)熱(re)(re)(re)(re)(re)(re)(re)(re)量(liang)(liang)(liang)少,加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)絲(si)(si)(si)(si)溫(wen)(wen)度(du)升高(gao)(gao),熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)絲(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)熱(re)(re)(re)(re)(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)勢(shi)增大;反之,則(ze)熱(re)(re)(re)(re)(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)勢(shi)減少。回(hui)路(lu)中的(de)(de)(de)(de)(de)(de)(de)熱(re)(re)(re)(re)(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)勢(shi)用(yong)(yong)(yong)(yong)毫伏表(biao)(biao)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang),表(biao)(biao)中的(de)(de)(de)(de)(de)(de)(de)毫伏數即反映出真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)的(de)(de)(de)(de)(de)(de)(de)高(gao)(gao)低。為(wei)了(le)保證加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)絲(si)(si)(si)(si)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)穩定(ding),而接(jie)入了(le)穩壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)。所(suo)以測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)儀(yi)(yi)(yi)器是由(you)(you)(you)(you)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)熱(re)(re)(re)(re)(re)(re)(re)(re)電(dian)(dian)(dian)(dian)(dian)勢(shi)的(de)(de)(de)(de)(de)(de)(de)毫伏表(biao)(biao)和(he)規(gui)(gui)管(guan)(guan)(guan)加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)絲(si)(si)(si)(si)穩壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)兩(liang)(liang)部(bu)分(fen)(fen)(fen)組(zu)成(cheng)(cheng)(cheng)。   (二)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)   這種真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)主要(yao)用(yong)(yong)(yong)(yong)于測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)高(gao)(gao)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)。在低壓(ya)(ya)強(qiang)氣(qi)(qi)體(ti)(ti)(ti)中,氣(qi)(qi)體(ti)(ti)(ti)分(fen)(fen)(fen)子(zi)(zi)被(bei)(bei)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)生成(cheng)(cheng)(cheng)的(de)(de)(de)(de)(de)(de)(de)正(zheng)(zheng)(zheng)離(li)(li)(li)子(zi)(zi)數與氣(qi)(qi)體(ti)(ti)(ti)壓(ya)(ya)強(qiang)成(cheng)(cheng)(cheng)正(zheng)(zheng)(zheng)比(bi)按照離(li)(li)(li)產生的(de)(de)(de)(de)(de)(de)(de)方法不同,利用(yong)(yong)(yong)(yong)熱(re)(re)(re)(re)(re)(re)(re)(re)陰(yin)(yin)極(ji)(ji)(ji)(ji)發射(she)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)使(shi)氣(qi)(qi)體(ti)(ti)(ti)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)叫熱(re)(re)(re)(re)(re)(re)(re)(re)陰(yin)(yin)極(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji);其中,熱(re)(re)(re)(re)(re)(re)(re)(re)陰(yin)(yin)極(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)由(you)(you)(you)(you)熱(re)(re)(re)(re)(re)(re)(re)(re)陰(yin)(yin)極(ji)(ji)(ji)(ji)規(gui)(gui)管(guan)(guan)(guan)和(he)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)儀(yi)(yi)(yi)器組(zu)成(cheng)(cheng)(cheng)。測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)儀(yi)(yi)(yi)器由(you)(you)(you)(you)規(gui)(gui)管(guan)(guan)(guan)工(gong)作電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)、發射(she)電(dian)(dian)(dian)(dian)(dian)流(liu)穩壓(ya)(ya)器、離(li)(li)(li)子(zi)(zi)流(liu)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)放大器等部(bu)分(fen)(fen)(fen)組(zu)成(cheng)(cheng)(cheng)。熱(re)(re)(re)(re)(re)(re)(re)(re)陰(yin)(yin)極(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)規(gui)(gui)管(guan)(guan)(guan)與被(bei)(bei)測(ce)(ce)(ce)(ce)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)系(xi)統相通。熱(re)(re)(re)(re)(re)(re)(re)(re)陰(yin)(yin)極(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)規(gui)(gui)管(guan)(guan)(guan)是一(yi)個(ge)三極(ji)(ji)(ji)(ji)管(guan)(guan)(guan),管(guan)(guan)(guan)內(nei)有(you)(you)陰(yin)(yin)極(ji)(ji)(ji)(ji)、柵及和(he)收集(ji)極(ji)(ji)(ji)(ji)。收集(ji)極(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)位相對(dui)(dui)于陰(yin)(yin)極(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)負(fu)電(dian)(dian)(dian)(dian)(dian)位;柵極(ji)(ji)(ji)(ji)相對(dui)(dui)于陰(yin)(yin)極(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)正(zheng)(zheng)(zheng)電(dian)(dian)(dian)(dian)(dian)位。當電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)規(gui)(gui)管(guan)(guan)(guan)通電(dian)(dian)(dian)(dian)(dian)加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re)后,陰(yin)(yin)極(ji)(ji)(ji)(ji)發射(she)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi),在電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)到(dao)達(da)柵極(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)過程中,與氣(qi)(qi)體(ti)(ti)(ti)分(fen)(fen)(fen)子(zi)(zi)碰(peng)撞(zhuang)而產生正(zheng)(zheng)(zheng)離(li)(li)(li)子(zi)(zi)和(he)電(dian)(dian)(dian)(dian)(dian)子(zi)(zi)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)現象(xiang)。當發射(she)電(dian)(dian)(dian)(dian)(dian)流(liu)一(yi)定(ding)時,正(zheng)(zheng)(zheng)離(li)(li)(li)子(zi)(zi)數日(ri)與被(bei)(bei)測(ce)(ce)(ce)(ce)氣(qi)(qi)體(ti)(ti)(ti)壓(ya)(ya)強(qiang)成(cheng)(cheng)(cheng)正(zheng)(zheng)(zheng)比(bi)。正(zheng)(zheng)(zheng)離(li)(li)(li)子(zi)(zi)被(bei)(bei)收集(ji)極(ji)(ji)(ji)(ji)收集(ji)后,經測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)路(lu)放大,可由(you)(you)(you)(you)批示電(dian)(dian)(dian)(dian)(dian)表(biao)(biao)讀(du)出所(suo)要(yao)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)甩(shuai)(shuai)帶爐(lu)的(de)(de)(de)(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)度(du)。   (三)復(fu)合真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)   真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)熔煉爐(lu)廠家(jia)表(biao)(biao)示,通常,對(dui)(dui)低真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)和(he)高(gao)(gao)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)不能用(yong)(yong)(yong)(yong)一(yi)種真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)來(lai)完成(cheng)(cheng)(cheng),而應(ying)采用(yong)(yong)(yong)(yong)復(fu)合真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji),應(ying)用(yong)(yong)(yong)(yong)較多的(de)(de)(de)(de)(de)(de)(de)是電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)與熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)式復(fu)合真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)。它(ta)(ta)的(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)范(fan)圍為(wei)13.33--666.6×10-8Pa。熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(10-1--10-3)×133.32Pa的(de)(de)(de)(de)(de)(de)(de)低真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong);電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)133.32×10-3--666.6×10-8Pa的(de)(de)(de)(de)(de)(de)(de)高(gao)(gao)真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)。復(fu)合真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)計(ji)(ji)(ji)(ji)(ji)(ji)附有(you)(you)一(yi)個(ge)熱(re)(re)(re)(re)(re)(re)(re)(re)偶(ou)(ou)(ou)規(gui)(gui)管(guan)(guan)(guan)、一(yi)個(ge)電(dian)(dian)(dian)(dian)(dian)離(li)(li)(li)規(gui)(gui)管(guan)(guan)(guan),分(fen)(fen)(fen)別(bie)接(jie)在真(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)(kong)系(xi)統上,通過旋鈕可分(fen)(fen)(fen)別(bie)給兩(liang)(liang)個(ge)規(gui)(gui)管(guan)(guan)(guan)加(jia)熱(re)(re)(re)(re)(re)(re)(re)(re),并(bing)選擇使(shi)用(yong)(yong)(yong)(yong)。