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煙氣分析儀理論知識
2014-10-25

煙(yan)(yan)氣(qi)(qi)分(fen)(fen)析儀(yi)(yi)產品(pin)介(jie)紹便攜式(shi)(shi)煙(yan)(yan)氣(qi)(qi)分(fen)(fen)析儀(yi)(yi)ZS8000是(shi)現今市(shi)場(chang)上zui強勁(jing)和的(de)儀(yi)(yi)器。利(li)用(yong)分(fen)(fen)離式(shi)(shi)構造(zao)新概念設計了這兩(liang)款裝置。氣(qi)(qi)體分(fen)(fen)析儀(yi)(yi)由(you)兩(liang)個部分(fen)(fen)組成:氣(qi)(qi)體分(fen)(fen)析主控制(zhi)(zhi)裝置(MCU)和遙感(gan)控制(zhi)(zhi)裝置(RCU)。這兩(liang)部分(fen)(fen)的(de)信息交(jiao)流(liu)用(yong)工業標準RS422。MCU是(shi)一個可靠的(de),輕便的(de),的(de)煙(yan)(yan)氣(qi)(qi)實驗室(shi)。這...

  • 2024-02-29

    電(dian)(dian)(dian)(dian)位(wei)(wei)測(ce)量(liang)儀可用(yong)(yong)于測(ce)定(ding)分(fen)散體(ti)系顆粒物的固-液(ye)(ye)界面(mian)(mian)電(dian)(dian)(dian)(dian)性(xing)(xing)(ζ電(dian)(dian)(dian)(dian)位(wei)(wei)),也(ye)可用(yong)(yong)于測(ce)量(liang)乳狀液(ye)(ye)液(ye)(ye)滴的界面(mian)(mian)電(dian)(dian)(dian)(dian)性(xing)(xing),也(ye)可用(yong)(yong)于測(ce)定(ding)等電(dian)(dian)(dian)(dian)點、研究界面(mian)(mian)反應過程的機理(li)。通(tong)(tong)過測(ce)定(ding)顆粒的Zeta電(dian)(dian)(dian)(dian)位(wei)(wei),求出等電(dian)(dian)(dian)(dian)點,是認識(shi)顆粒表面(mian)(mian)電(dian)(dian)(dian)(dian)性(xing)(xing)的重要方法,在(zai)顆粒表面(mian)(mian)處理(li)中也(ye)是重要的手段。電(dian)(dian)(dian)(dian)位(wei)(wei)測(ce)量(liang)儀的使用(yong)(yong)步驟如下:準(zhun)備工作:首先(xian),將電(dian)(dian)(dian)(dian)位(wei)(wei)計(ji)放(fang)置在(zai)一個(ge)平穩(wen)的臺(tai)面(mian)(mian)上(shang),并(bing)確(que)(que)保它(ta)能夠正常工作。可以通(tong)(tong)過插入電(dian)(dian)(dian)(dian)池或連(lian)(lian)接電(dian)(dian)(dian)(dian)源(yuan)適(shi)配器和電(dian)(dian)(dian)(dian)源(yuan)線(xian)來實現這一步。連(lian)(lian)接測(ce)量(liang)電(dian)(dian)(dian)(dian)極:接著,將測(ce)量(liang)電(dian)(dian)(dian)(dian)極(通(tong)(tong)常是金(jin)屬探針)插入電(dian)(dian)(dian)(dian)位(wei)(wei)計(ji)指示器的插槽中。確(que)(que)保插頭(tou)的接觸...

  • 2024-01-17

    1、超(chao)聲(sheng)(sheng)波(bo)(bo)測厚儀所測工(gong)件表(biao)面(mian)(mian)粗糙(cao)度過(guo)大,造成探(tan)(tan)頭與(yu)(yu)接(jie)觸(chu)面(mian)(mian)耦(ou)合(he)(he)效(xiao)果差,反射(she)回波(bo)(bo)低(di),甚至(zhi)無法(fa)接(jie)收到(dao)(dao)回波(bo)(bo)信號(hao)(hao)。對于表(biao)面(mian)(mian)銹蝕,耦(ou)合(he)(he)效(xiao)果極(ji)差的在(zai)役設備、管(guan)道等可(ke)(ke)通(tong)過(guo)砂、磨、挫等方(fang)法(fa)對表(biao)面(mian)(mian)進行處(chu)理,降低(di)粗糙(cao)度,同時也可(ke)(ke)以將(jiang)氧化物及油漆(qi)層去掉,露出(chu)金屬光澤,使探(tan)(tan)頭與(yu)(yu)被檢物通(tong)過(guo)耦(ou)合(he)(he)劑能達到(dao)(dao)很好(hao)的耦(ou)合(he)(he)效(xiao)果。2、檢測面(mian)(mian)與(yu)(yu)底面(mian)(mian)不(bu)平行,聲(sheng)(sheng)波(bo)(bo)遇到(dao)(dao)底面(mian)(mian)產生(sheng)散(san)射(she),探(tan)(tan)頭無法(fa)接(jie)受(shou)到(dao)(dao)底波(bo)(bo)信號(hao)(hao)。3、工(gong)件曲率(lv)半徑太小,尤(you)其是小徑管(guan)測厚時,因(yin)常用探(tan)(tan)頭表(biao)面(mian)(mian)為平面(mian)(mian),與(yu)(yu)曲面(mian)(mian)接(jie)觸(chu)為點(dian)接(jie)觸(chu)或線接(jie)觸(chu),聲(sheng)(sheng)強透射(she)率(lv)低(di)(耦(ou)合(he)(he)不(bu)好(hao))。可(ke)(ke)...

  • 2024-01-02

    接觸角(jiao)(jiao)測(ce)量(liang)儀(yi)是一種用于測(ce)量(liang)液(ye)體(ti)(ti)與(yu)固體(ti)(ti)界面之間接觸角(jiao)(jiao)的儀(yi)器。在材(cai)(cai)料(liao)科(ke)學領域,應(ying)用非常廣(guang)泛,它(ta)能(neng)夠(gou)提(ti)供關于材(cai)(cai)料(liao)表(biao)(biao)(biao)面能(neng)、潤(run)濕(shi)(shi)性(xing)、界面化學等方面的信息,對于材(cai)(cai)料(liao)的研究和開發具有(you)重(zhong)要的意義。一、表(biao)(biao)(biao)面能(neng)與(yu)潤(run)濕(shi)(shi)性(xing)研究通過測(ce)量(liang)液(ye)滴在固體(ti)(ti)表(biao)(biao)(biao)面上的接觸角(jiao)(jiao)大小(xiao),可以(yi)推導出(chu)材(cai)(cai)料(liao)的表(biao)(biao)(biao)面能(neng)。表(biao)(biao)(biao)面能(neng)是表(biao)(biao)(biao)征材(cai)(cai)料(liao)表(biao)(biao)(biao)面分(fen)子間作用力的物(wu)(wu)理量(liang),對于了解材(cai)(cai)料(liao)的物(wu)(wu)理和化學性(xing)質至關重(zhong)要。同時(shi),潤(run)濕(shi)(shi)性(xing)是描(miao)述(shu)液(ye)體(ti)(ti)在固體(ti)(ti)表(biao)(biao)(biao)面上的鋪(pu)展程度的物(wu)(wu)理量(liang),與(yu)材(cai)(cai)料(liao)的表(biao)(biao)(biao)面能(neng)密(mi)切(qie)相(xiang)關。通過該儀(yi)器,可以(yi)研究材(cai)(cai)料(liao)的潤(run)濕(shi)(shi)性(xing)行為,進而探討其在各(ge)種環境...

  • 2023-12-22

    超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)測(ce)厚(hou)儀(yi)是(shi)采用(yong)最新(xin)的(de)高性能(neng)、低(di)功耗微(wei)處理(li)器(qi)技術,基于超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)測(ce)量(liang)原(yuan)理(li),可以(yi)測(ce)量(liang)金屬及其它多種材料的(de)厚(hou)度(du),并(bing)可以(yi)對材料的(de)聲(sheng)(sheng)(sheng)速進行(xing)測(ce)量(liang)。可以(yi)對生(sheng)產(chan)設備(bei)中各(ge)種管道和(he)壓(ya)力(li)容器(qi)進行(xing)厚(hou)度(du)測(ce)量(liang),監測(ce)它們(men)在使用(yong)過程(cheng)中受(shou)腐蝕后(hou)的(de)減(jian)薄程(cheng)度(du),也可以(yi)對各(ge)種板材和(he)各(ge)種加工零(ling)件作精確(que)測(ce)量(liang)。超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)測(ce)厚(hou)儀(yi)主(zhu)要有主(zhu)機(ji)和(he)探頭(tou)兩部分組成。主(zhu)機(ji)電路(lu)包括發射(she)電路(lu)、接收電路(lu)、計數顯(xian)示電路(lu)三部分,由發射(she)電路(lu)產(chan)生(sheng)的(de)高壓(ya)沖擊波(bo)(bo)激(ji)勵探頭(tou),產(chan)生(sheng)超(chao)聲(sheng)(sheng)(sheng)發射(she)脈沖波(bo)(bo),脈沖波(bo)(bo)經介(jie)質介(jie)面反射(she)后(hou)被接收電路(lu)接收,通過單片機(ji)計數處理(li)后(hou),經液(ye)晶顯(xian)...

  • 2023-12-19

    超(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)測厚(hou)(hou)儀是根據超(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)脈沖反射原(yuan)理(li)(li)來(lai)進行(xing)厚(hou)(hou)度(du)(du)測量(liang)(liang)的,當探頭發射的超(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)脈沖通過被測物體到達材料分界面時,脈沖被反射回探頭通過精確(que)測量(liang)(liang)超(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)在(zai)材料中傳播的時間(jian)來(lai)確(que)定(ding)被測材料的厚(hou)(hou)度(du)(du)。凡能使超(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)以(yi)一恒定(ding)速(su)度(du)(du)在(zai)其內部傳播的各種(zhong)材料均可(ke)采(cai)用此原(yuan)理(li)(li)測量(liang)(liang)。超(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)測厚(hou)(hou)儀是采(cai)用的高(gao)性能、低(di)功耗微處理(li)(li)器(qi)技術(shu),基(ji)于(yu)超(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)測量(liang)(liang)原(yuan)理(li)(li),可(ke)以(yi)測量(liang)(liang)金屬及(ji)其它多種(zhong)材料的厚(hou)(hou)度(du)(du),并(bing)可(ke)以(yi)對材料的聲(sheng)(sheng)(sheng)速(su)進行(xing)測量(liang)(liang)。可(ke)以(yi)對生產設(she)備中各種(zhong)管道和壓力容器(qi)進行(xing)厚(hou)(hou)度(du)(du)測量(liang)(liang),監測它們(men)在(zai)使用過程(cheng)(cheng)中受腐蝕后的減薄程(cheng)(cheng)度(du)(du),也可(ke)以(yi)對各種(zhong)板(ban)材...

  • 2023-12-01

    精密自(zi)動型接(jie)觸(chu)(chu)角(jiao)測(ce)(ce)(ce)量(liang)(liang)(liang)儀(yi)(yi)是(shi)(shi)一種用(yong)于測(ce)(ce)(ce)量(liang)(liang)(liang)液(ye)體(ti)與固(gu)體(ti)表(biao)面之(zhi)間的(de)接(jie)觸(chu)(chu)角(jiao)的(de)儀(yi)(yi)器。接(jie)觸(chu)(chu)角(jiao)是(shi)(shi)液(ye)體(ti)在(zai)固(gu)體(ti)表(biao)面上(shang)的(de)一個重要性(xing)(xing)質(zhi)(zhi),可以用(yong)于研究液(ye)體(ti)在(zai)固(gu)體(ti)表(biao)面上(shang)的(de)潤濕性(xing)(xing)、吸附性(xing)(xing)等(deng)性(xing)(xing)質(zhi)(zhi)。下面是(shi)(shi)精密自(zi)動型接(jie)觸(chu)(chu)角(jiao)測(ce)(ce)(ce)量(liang)(liang)(liang)儀(yi)(yi)的(de)一些操作小技(ji)巧(qiao):1、樣(yang)品(pin)(pin)準備在(zai)進行接(jie)觸(chu)(chu)角(jiao)測(ce)(ce)(ce)量(liang)(liang)(liang)前(qian),需要準備好樣(yang)品(pin)(pin)。通常(chang),樣(yang)品(pin)(pin)應該是(shi)(shi)一塊(kuai)清潔(jie)(jie)的(de)固(gu)體(ti)表(biao)面,如玻璃、金屬(shu)、聚合物(wu)等(deng)。為了(le)獲得準確的(de)測(ce)(ce)(ce)量(liang)(liang)(liang)結果,樣(yang)品(pin)(pin)表(biao)面應該平整、光滑,并(bing)且沒有(you)油脂、灰塵等(deng)雜質(zhi)(zhi)。在(zai)將樣(yang)品(pin)(pin)放入測(ce)(ce)(ce)量(liang)(liang)(liang)儀(yi)(yi)中(zhong)之(zhi)前(qian),應該使用(yong)清潔(jie)(jie)劑和無(wu)塵紙進行清潔(jie)(jie),并(bing)確保(bao)樣(yang)品(pin)(pin)表(biao)面干燥。2、選擇合適...

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