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  • 2023

    11-17

    擊穿電壓測試儀-設備安全保護功能介紹

    擊(ji)穿(chuan)(chuan)電壓測試(shi)儀(yi)(yi)-設備安全保護(hu)功能(neng)介紹主要適(shi)用于固體(ti)絕(jue)緣(yuan)(yuan)材料如：塑料薄膜、樹脂、云母、陶瓷、玻璃、絕(jue)緣(yuan)(yuan)油、絕(jue)緣(yuan)(yuan)漆、紙(zhi)板(ban)等介質在工(gong)頻電壓或(huo)直(zhi)流電壓下擊(ji)穿(chuan)(chuan)強度和(he)耐電壓時間的(de)測試(shi)；采用計(ji)算(suan)(suan)機控(kong)制(zhi)，試(shi)驗(yan)(yan)過程(cheng)中(zhong)可在線觀察試(shi)驗(yan)(yan)曲(qu)(qu)(qu)線；自動存(cun)儲試(shi)驗(yan)(yan)條件(jian)及試(shi)驗(yan)(yan)結果等數據，并可存(cun)取、顯(xian)示(shi)、打印。試(shi)驗(yan)(yan)軟件(jian)：1、功能(neng)強大、操作(zuo)簡單、顯(xian)示(shi)直(zhi)觀的(de)試(shi)驗(yan)(yan)軟件(jian)系(xi)統(tong)；2、采用計(ji)算(suan)(suan)機控(kong)制(zhi)通(tong)過人機對(dui)話(hua)方式，完成(cheng)對(dui)絕(jue)緣(yuan)(yuan)介質工(gong)頻電壓擊(ji)穿(chuan)(chuan)，工(gong)頻耐壓試(shi)驗(yan)(yan)；3、本儀(yi)(yi)器在試(shi)驗(yan)(yan)過程(cheng)中(zhong)可對(dui)升(sheng)壓擊(ji)穿(chuan)(chuan)過程(cheng)繪制(zhi)實時曲(qu)(qu)(qu)線，每次試(shi)驗(yan)(yan)的(de)升(sheng)壓曲(qu)(qu)(qu)線...

  • 2023

    11-16

    電壓擊穿和電流擊穿區別

    電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)擊(ji)(ji)穿(chuan)的主要功(gong)能電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)擊(ji)(ji)穿(chuan)和電(dian)(dian)(dian)(dian)(dian)(dian)流擊(ji)(ji)穿(chuan)是電(dian)(dian)(dian)(dian)(dian)(dian)氣學中常見(jian)的概念，二者有以下(xia)區(qu)別(bie)：1.電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)擊(ji)(ji)穿(chuan)和電(dian)(dian)(dian)(dian)(dian)(dian)流擊(ji)(ji)穿(chuan)的區(qu)別(bie)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)擊(ji)(ji)穿(chuan)是指在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)間施加(jia)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，當(dang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)增(zeng)加(jia)到一定程度時，電(dian)(dian)(dian)(dian)(dian)(dian)介(jie)質突然失(shi)去(qu)絕緣(yuan)性能而(er)發生(sheng)放電(dian)(dian)(dian)(dian)(dian)(dian)現象。而(er)電(dian)(dian)(dian)(dian)(dian)(dian)流擊(ji)(ji)穿(chuan)則是指當(dang)電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)、離子(zi)等帶電(dian)(dian)(dian)(dian)(dian)(dian)粒子(zi)在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)場(chang)作用(yong)下(xia)獲得足夠的能量，穿(chuan)過介(jie)質而(er)引起放電(dian)(dian)(dian)(dian)(dian)(dian)現象。因(yin)此，電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)擊(ji)(ji)穿(chuan)和電(dian)(dian)(dian)(dian)(dian)(dian)流擊(ji)(ji)穿(chuan)在(zai)物理(li)機制上有所不同，同時也(ye)具有不同的實(shi)際應用(yong)場(chang)景(jing)。例如，在(zai)高壓(ya)線路中，為了防止電(dian)(dian)(dian)(dian)(dian)(dian)線發生(sheng)擊(ji)(ji)穿(chuan)現象而(er)影響正常使用(yong)，通常會通過控制電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)來實(shi)現線路穩定運行。2.電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)擊(ji)(ji)穿(chuan)的主要功(gong)能電(dian)(dian)(dian)(dian)(dian)(dian)...

  • 2023

    11-16

    電壓擊穿測試儀的原理

    電(dian)(dian)(dian)(dian)壓擊(ji)穿(chuan)測試(shi)(shi)儀的(de)(de)原理電(dian)(dian)(dian)(dian)壓擊(ji)穿(chuan)檢測試(shi)(shi)驗機(ji)在材料(liao)科(ke)學域有著廣泛的(de)(de)應用，如絕緣(yuan)材料(liao)、電(dian)(dian)(dian)(dian)子元(yuan)器(qi)件、電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜等。通(tong)過使用電(dian)(dian)(dian)(dian)壓擊(ji)穿(chuan)檢測試(shi)(shi)驗機(ji)，可以(yi)對材料(liao)的(de)(de)絕緣(yuan)性(xing)能和導(dao)電(dian)(dian)(dian)(dian)性(xing)能進(jin)行深入研(yan)究，為材料(liao)的(de)(de)開發(fa)和應用提供(gong)支持。同時，該設(she)備(bei)還可應用于電(dian)(dian)(dian)(dian)力設(she)備(bei)制(zhi)造、科(ke)研(yan)機(ji)構等域。電(dian)(dian)(dian)(dian)壓擊(ji)穿(chuan)測試(shi)(shi)儀是一(yi)種(zhong)用于測試(shi)(shi)電(dian)(dian)(dian)(dian)氣(qi)設(she)備(bei)的(de)(de)電(dian)(dian)(dian)(dian)氣(qi)強(qiang)度(du)的(de)(de)儀器(qi)。其(qi)原理是基(ji)于電(dian)(dian)(dian)(dian)場強(qiang)度(du)和介(jie)質(zhi)強(qiang)度(du)之間的(de)(de)關(guan)系，即(ji)當電(dian)(dian)(dian)(dian)場強(qiang)度(du)超過介(jie)質(zhi)的(de)(de)耐壓強(qiang)度(du)時，介(jie)質(zhi)就會被電(dian)(dian)(dian)(dian)擊(ji)穿(chuan)。電(dian)(dian)(dian)(dian)壓擊(ji)穿(chuan)測試(shi)(shi)儀通(tong)過施加高(gao)電(dian)(dian)(dian)(dian)壓來(lai)測試(shi)(shi)被測設(she)備(bei)的(de)(de)絕緣(yuan)強(qiang)度(du)。測試(shi)(shi)儀器(qi)將高(gao)電(dian)(dian)(dian)(dian)壓施加到被測...

  • 2023

    11-16

    電壓擊穿--DDJ-100KV產品介紹

    電(dian)(dian)(dian)(dian)壓(ya)擊(ji)穿試(shi)驗(yan)儀-微機控制(zhi)DDJ-100KV滿足(zu)標(biao)準(zhun)：GB/T1408-2006絕(jue)緣(yuan)材(cai)料電(dian)(dian)(dian)(dian)氣強度試(shi)驗(yan)方(fang)(fang)法(fa)GB/T1695-2005硫化橡膠工(gong)頻電(dian)(dian)(dian)(dian)壓(ya)擊(ji)穿強度和(he)耐電(dian)(dian)(dian)(dian)壓(ya)強度試(shi)驗(yan)GB/T3333電(dian)(dian)(dian)(dian)纜紙工(gong)頻電(dian)(dian)(dian)(dian)壓(ya)擊(ji)穿試(shi)驗(yan)方(fang)(fang)法(fa)HG/T3330絕(jue)緣(yuan)漆(qi)漆(qi)膜(mo)擊(ji)穿強度測定法(fa)GB/T12656電(dian)(dian)(dian)(dian)容器紙工(gong)頻電(dian)(dian)(dian)(dian)壓(ya)擊(ji)穿試(shi)驗(yan)方(fang)(fang)法(fa)ASTMD149固體(ti)電(dian)(dian)(dian)(dian)絕(jue)緣(yuan)材(cai)料在工(gong)業電(dian)(dian)(dian)(dian)源(yuan)頻率下(xia)的介(jie)電(dian)(dian)(dian)(dian)擊(ji)穿電(dian)(dian)(dian)(dian)壓(ya)和(he)介(jie)電(dian)(dian)(dian)(dian)強度的試(shi)驗(yan)方(fang)(fang)法(fa).………一(yi)、適(shi)用范圍及功能主要(yao)適(shi)用于固體(ti)絕(jue)緣(yuan)材(cai)料（如(ru)：塑料、橡膠、層(ceng)壓(ya)材(cai)料、薄膜(mo)、樹脂、云母、陶瓷、玻璃...

  • 2023

    11-15

    圖像粒度儀使用方法操作過程簡單介紹

    圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)粒(li)度儀使用(yong)方法(fa)操作(zuo)過程(cheng)簡單介紹(shao)圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)粒(li)度儀主(zhu)要的(de)核心技(ji)術之一(yi)是(shi)顆(ke)粒(li)圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)的(de)二值化(hua)處(chu)理。數(shu)字攝像(xiang)(xiang)(xiang)(xiang)(xiang)機(ji)拍攝的(de)顆(ke)粒(li)圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)是(shi)由不同灰度的(de)像(xiang)(xiang)(xiang)(xiang)(xiang)素點陣構(gou)成的(de)。為獲得(de)真實準確的(de)顆(ke)粒(li)輪廓圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)，需要對圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)進行二值化(hua)處(chu)理。將(jiang)(jiang)原(yuan)始圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)轉(zhuan)化(hua)為顆(ke)粒(li)輪廓邊緣閉(bi)合且(qie)不改變大小的(de)黑白(bai)圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)。圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)的(de)二值化(hua)處(chu)理就是(shi)將(jiang)(jiang)圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)上的(de)點的(de)灰度置為0或255，也就是(shi)將(jiang)(jiang)整(zheng)個(ge)(ge)圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)呈(cheng)現出明顯(xian)的(de)黑白(bai)效(xiao)果。即(ji)將(jiang)(jiang)256個(ge)(ge)亮(liang)度等(deng)的(de)灰度圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)通(tong)過適當(dang)的(de)閾值選取而獲得(de)仍然可(ke)以(yi)反映圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)整(zheng)體和局部特征(zheng)的(de)二值化(hua)圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)。在數(shu)字圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)處(chu)理中，二值圖(tu)(tu)像(xiang)(xiang)(xiang)(xiang)(xiang)占有非常重(zhong)要的(de)...

  • 2023

    11-15

    顆粒圖像處理儀的工作原理及其主要技術淺析

    顆(ke)粒(li)圖(tu)像(xiang)(xiang)處理(li)(li)儀(yi)的(de)(de)工作原理(li)(li)及其主要技(ji)術淺析顆(ke)粒(li)圖(tu)像(xiang)(xiang)處理(li)(li)儀(yi)將(jiang)(jiang)(jiang)是(shi)一種將(jiang)(jiang)(jiang)現代(dai)電(dian)子技(ji)術與光(guang)學(xue)(xue)顯(xian)微(wei)鏡(jing)相(xiang)結合(he)而成的(de)(de)一種粉體顆(ke)粒(li)物性檢測儀(yi)器(qi)。用電(dian)子攝(she)像(xiang)(xiang)機拍攝(she)經顯(xian)微(wei)鏡(jing)放大的(de)(de)顆(ke)粒(li)圖(tu)像(xiang)(xiang)。圖(tu)像(xiang)(xiang)信號輸入(ru)計(ji)算機后(hou)，計(ji)算機自動進(jin)(jin)行對(dui)顆(ke)粒(li)進(jin)(jin)行形(xing)貌特征和粒(li)度進(jin)(jin)行分析，給出測試報告。顆(ke)粒(li)圖(tu)像(xiang)(xiang)處理(li)(li)儀(yi)的(de)(de)基(ji)本(ben)原理(li)(li)是(shi)：光(guang)學(xue)(xue)顯(xian)微(wei)鏡(jing)先(xian)將(jiang)(jiang)(jiang)待測的(de)(de)微(wei)小顆(ke)粒(li)放大，并成像(xiang)(xiang)在CCD攝(she)像(xiang)(xiang)機的(de)(de)光(guang)敏(min)面上；攝(she)像(xiang)(xiang)機將(jiang)(jiang)(jiang)光(guang)學(xue)(xue)圖(tu)像(xiang)(xiang)轉換成數(shu)字圖(tu)片(pian)信息，然后(hou)傳輸并存儲在計(ji)算機系統(tong)里。計(ji)算機對(dui)接收到的(de)(de)數(shu)字化了的(de)(de)顯(xian)微(wei)圖(tu)像(xiang)(xiang)信息進(jin)(jin)行二(er)值化處理(li)(li)，識別顆(ke)粒(li)的(de)(de)輪廓。...

  • 2023

    11-15

    顆粒影像分析儀產品介紹

    ZKFT-1600圖(tu)像顆(ke)粒(li)(li)(li)分(fen)(fen)(fen)(fen)析(xi)儀(yi)(yi)一(yi)、產(chan)品簡(jian)介ZKFT-1600圖(tu)像顆(ke)粒(li)(li)(li)分(fen)(fen)(fen)(fen)析(xi)儀(yi)(yi)包(bao)括光學顯微鏡、數(shu)字(zi)CCD攝像頭、圖(tu)像處理與(yu)分(fen)(fen)(fen)(fen)析(xi)軟(ruan)件(jian)、電(dian)腦、打(da)印(yin)機等部(bu)分(fen)(fen)(fen)(fen)組(zu)成(cheng)。它是(shi)將(jiang)(jiang)傳統(tong)的(de)顯微測(ce)量(liang)方法與(yu)現代的(de)圖(tu)像處理技術結合的(de)產(chan)物(wu)。它的(de)基(ji)本(ben)工(gong)作流程是(shi)通過(guo)用數(shu)字(zi)攝像機將(jiang)(jiang)顯微鏡的(de)圖(tu)像拍攝下來并傳輸到電(dian)腦中，通過(guo)門的(de)顆(ke)粒(li)(li)(li)圖(tu)像分(fen)(fen)(fen)(fen)析(xi)軟(ruan)件(jian)對顆(ke)粒(li)(li)(li)圖(tu)像進行(xing)(xing)處理與(yu)分(fen)(fen)(fen)(fen)析(xi)，從(cong)而得(de)到每一(yi)個顆(ke)粒(li)(li)(li)的(de)粒(li)(li)(li)度和(he)(he)粒(li)(li)(li)形(xing)信(xin)息，再將(jiang)(jiang)每一(yi)個顆(ke)粒(li)(li)(li)的(de)粒(li)(li)(li)度和(he)(he)粒(li)(li)(li)形(xing)信(xin)息進行(xing)(xing)統(tong)計，從(cong)而得(de)到粒(li)(li)(li)度（D50）及(ji)粒(li)(li)(li)度分(fen)(fen)(fen)(fen)布、平(ping)均長徑比及(ji)長徑比分(fen)(fen)(fen)(fen)布、平(ping)均圓形(xing)度及(ji)圓...

  • 2023

    11-14

    真密度測試儀校準規范

    真(zhen)(zhen)密度(du)(du)測(ce)試(shi)(shi)(shi)儀(yi)(yi)校(xiao)(xiao)準(zhun)(zhun)(zhun)規范一、校(xiao)(xiao)準(zhun)(zhun)(zhun)準(zhun)(zhun)(zhun)備工(gong)作1.校(xiao)(xiao)準(zhun)(zhun)(zhun)準(zhun)(zhun)(zhun)備好校(xiao)(xiao)準(zhun)(zhun)(zhun)試(shi)(shi)(shi)樣(yang)及其(qi)同一批次(ci)的(de)產品標準(zhun)(zhun)(zhun)樣(yang)品。2.真(zhen)(zhen)密度(du)(du)測(ce)試(shi)(shi)(shi)儀(yi)(yi)應當在環(huan)境溫度(du)(du)穩定(ding)的(de)條件下預熱至(zhi)穩定(ding)狀(zhuang)態，至(zhi)少保持(chi)30分鐘。3.定(ding)期檢(jian)查(cha)(cha)真(zhen)(zhen)密度(du)(du)測(ce)試(shi)(shi)(shi)儀(yi)(yi)的(de)支撐部(bu)件是否有(you)松動、變形等狀(zhuang)況，確保支撐部(bu)件的(de)垂直(zhi)度(du)(du)和平行度(du)(du)滿足要求。4.檢(jian)查(cha)(cha)真(zhen)(zhen)密度(du)(du)測(ce)試(shi)(shi)(shi)儀(yi)(yi)的(de)測(ce)量口徑(jing)的(de)直(zhi)徑(jing)和深度(du)(du)是否符合規定(ding)，檢(jian)查(cha)(cha)測(ce)量壓力的(de)準(zhun)(zhun)(zhun)確性。二、校(xiao)(xiao)準(zhun)(zhun)(zhun)步驟1.將真(zhen)(zhen)密度(du)(du)測(ce)試(shi)(shi)(shi)儀(yi)(yi)放置于(yu)水平臺上(shang)，啟動儀(yi)(yi)器，使(shi)其(qi)即將要進行數次(ci)測(ce)量，并保持(chi)30分鐘。2.取三個(ge)試(shi)(shi)(shi)樣(yang)進行校(xiao)(xiao)準(zhun)(zhun)(zhun)試(shi)(shi)(shi)驗，在每(mei)次(ci)試(shi)(shi)(shi)驗將被(bei)測(ce)試(shi)(shi)(shi)的(de)...

  • 2023

    11-14

    全自動真密度儀測定材料密度的原理

    全(quan)自(zi)動(dong)(dong)真(zhen)(zhen)密(mi)(mi)(mi)度(du)(du)(du)儀(yi)測(ce)定材料密(mi)(mi)(mi)度(du)(du)(du)的(de)(de)原(yuan)理一(yi)、全(quan)自(zi)動(dong)(dong)真(zhen)(zhen)密(mi)(mi)(mi)度(du)(du)(du)儀(yi)的(de)(de)工作原(yuan)理全(quan)自(zi)動(dong)(dong)真(zhen)(zhen)密(mi)(mi)(mi)度(du)(du)(du)儀(yi)是(shi)一(yi)種高精度(du)(du)(du)的(de)(de)儀(yi)器(qi)(qi)(qi)，常用于(yu)測(ce)定金屬(shu)、非(fei)金屬(shu)等各種固體材料的(de)(de)密(mi)(mi)(mi)度(du)(du)(du)。它是(shi)利用氦氣(qi)排(pai)除空氣(qi)的(de)(de)影響，通(tong)過浸(jin)沒法測(ce)量(liang)樣(yang)品(pin)(pin)(pin)(pin)的(de)(de)真(zhen)(zhen)密(mi)(mi)(mi)度(du)(du)(du)，從(cong)而得到樣(yang)品(pin)(pin)(pin)(pin)的(de)(de)密(mi)(mi)(mi)度(du)(du)(du)值。該儀(yi)器(qi)(qi)(qi)的(de)(de)測(ce)量(liang)過程如下(xia)：1.將待(dai)測(ce)樣(yang)品(pin)(pin)(pin)(pin)放置(zhi)(zhi)(zhi)于(yu)置(zhi)(zhi)(zhi)樣(yang)器(qi)(qi)(qi)內；2.在置(zhi)(zhi)(zhi)樣(yang)器(qi)(qi)(qi)內注入一(yi)定的(de)(de)氦氣(qi)，以(yi)排(pai)除空氣(qi)的(de)(de)影響；3.通(tong)過電子(zi)秤(cheng)測(ce)量(liang)置(zhi)(zhi)(zhi)樣(yang)器(qi)(qi)(qi)原(yuan)重(zhong)和(he)(he)帶樣(yang)重(zhong)，從(cong)而得到樣(yang)品(pin)(pin)(pin)(pin)質(zhi)(zhi)量(liang)；4.將置(zhi)(zhi)(zhi)樣(yang)器(qi)(qi)(qi)浸(jin)入氦氣(qi)浴中，以(yi)浸(jin)沒法測(ce)量(liang)樣(yang)品(pin)(pin)(pin)(pin)的(de)(de)真(zhen)(zhen)密(mi)(mi)(mi)度(du)(du)(du)；5.根據已(yi)知置(zhi)(zhi)(zhi)樣(yang)器(qi)(qi)(qi)體積和(he)(he)樣(yang)品(pin)(pin)(pin)(pin)質(zhi)(zhi)量(liang)，計算出樣(yang)品(pin)(pin)(pin)(pin)的(de)(de)真(zhen)(zhen)密(mi)(mi)(mi)度(du)(du)(du)。二...

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