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電壓擊穿試驗儀，電阻率測試儀，介電常數測試儀，漏電起痕試驗儀，耐電弧試驗儀、介電溫譜測量系統、熱刺激電流測量系統
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  • 2019

    9-27

    耐電壓擊穿試驗儀的信號接地方法

    耐(nai)(nai)電(dian)(dian)壓(ya)擊(ji)穿(chuan)(chuan)(chuan)試(shi)(shi)驗儀(yi)的(de)信號接(jie)(jie)地(di)(di)方(fang)法耐(nai)(nai)電(dian)(dian)壓(ya)擊(ji)穿(chuan)(chuan)(chuan)試(shi)(shi)驗儀(yi)適用(yong)于連續均勻升壓(ya)或(huo)(huo)逐級升壓(ya)的(de)方(fang)式(shi)，對(dui)試(shi)(shi)樣(yang)施加交流(liu)(liu)/或(huo)(huo)直(zhi)(zhi)流(liu)(liu)，電(dian)(dian)壓(ya)直(zhi)(zhi)至(zhi)擊(ji)穿(chuan)(chuan)(chuan)，測量(liang)擊(ji)穿(chuan)(chuan)(chuan)電(dian)(dian)壓(ya)值，計算(suan)試(shi)(shi)樣(yang)的(de)擊(ji)穿(chuan)(chuan)(chuan)強度；用(yong)迅速(su)升壓(ya)的(de)方(fang)法，將電(dian)(dian)壓(ya)升到規定(ding)(ding)(ding)值，保持一定(ding)(ding)(ding)的(de)時間試(shi)(shi)樣(yang)不(bu)擊(ji)穿(chuan)(chuan)(chuan)，定(ding)(ding)(ding)此(ci)時規定(ding)(ding)(ding)值為試(shi)(shi)樣(yang)的(de)耐(nai)(nai)電(dian)(dian)壓(ya)值。耐(nai)(nai)電(dian)(dian)壓(ya)擊(ji)穿(chuan)(chuan)(chuan)試(shi)(shi)驗儀(yi)的(de)信號接(jie)(jie)地(di)(di)方(fang)法①浮地(di)(di)把(ba)電(dian)(dian)路的(de)“零(ling)(ling)(ling)”電(dian)(dian)位(wei)或(huo)(huo)設備(bei)的(de)“零(ling)(ling)(ling)”電(dian)(dian)位(wei)與公共(gong)接(jie)(jie)地(di)(di)體系，或(huo)(huo)或(huo)(huo)許引起環流(liu)(liu)的(de)公共(gong)導線絕緣，即不(bu)接(jie)(jie)地(di)(di)，使(shi)此(ci)“零(ling)(ling)(ling)”電(dian)(dian)位(wei)相(xiang)對(dui)于大地(di)(di)的(de)零(ling)(ling)(ling)電(dian)(dian)位(wei)來說是個懸(xuan)空的(de)“零(ling)(ling)(ling)”電(dian)(dian)位(wei)。常(chang)用(yong)的(de)方(fang)法有變壓(ya)器阻隔和光電(dian)(dian)耦合阻隔。浮地(di)(di)的(de)長...

  • 2019

    9-10

    電壓擊穿試驗儀安全操作規程有哪些

    一、環境要(yao)求：1、工(gong)作(zuo)室不(bu)低于15㎡，周(zhou)圍(wei)不(bu)應受易爆、易燃的(de)氣(qi)體(ti)以及強大(da)的(de)電磁(ci)場和電火花(hua)干(gan)擾。2、實驗(yan)(yan)室獨(du)立控溫(wen)，溫(wen)度為20±5℃，相對濕度為65±5%。3、設備(bei)操(cao)作(zuo)工(gong)工(gong)作(zuo)區域內地面鋪設絕緣材(cai)質。二、安全說明：1、試(shi)(shi)驗(yan)(yan)在試(shi)(shi)驗(yan)(yan)箱中進行，試(shi)(shi)驗(yan)(yan)箱門(men)打開時電源(yuan)加不(bu)到高壓變(bian)壓器輸入端，即高壓側無電壓。100KV測試(shi)(shi)設備(bei)高壓電極距(ju)離試(shi)(shi)驗(yan)(yan)箱壁(bi)的(de)近距(ju)離大(da)于370mm，試(shi)(shi)驗(yan)(yan)時即使人(ren)接(jie)觸箱壁(bi)也不(bu)會有危險。2、設備(bei)要(yao)安裝單獨(du)的(de)保(bao)(bao)護地線(xian)。接(jie)保(bao)(bao)護地線(xian)，主要(yao)是減少試(shi)(shi)樣(yang)擊穿時對...

  • 2019

    8-20

    新款電阻率測試儀升級后功能

    差異一：電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)穩定性老款體積(ji)表(biao)面(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻所(suo)提(ti)供的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)為交流(liu)變(bian)(bian)壓(ya)(ya)(ya)器將(jiang)(jiang)220V/50HZ的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)變(bian)(bian)成所(suo)需(xu)要的(de)(de)(de)交流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，然后(hou)經過(guo)整(zheng)流(liu)裝置將(jiang)(jiang)交流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)改成直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)缺(que)點(dian)(dian)1：電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)受(shou)電(dian)(dian)(dian)(dian)(dian)(dian)網波動而(er)波動，造成電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)不穩定，使測試數據及其(qi)不穩定缺(que)點(dian)(dian)2：交流(liu)變(bian)(bian)壓(ya)(ya)(ya)器會(hui)形成較大的(de)(de)(de)磁(ci)場，干擾測試信號的(de)(de)(de)傳輸與(yu)采集(ji)缺(que)點(dian)(dian)3：測試電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的(de)(de)(de)檔(dang)位需(xu)要手動旋轉旋鈕(niu)調(diao)整(zheng)新款體積(ji)表(biao)面(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)有可(ke)編程電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)源提(ti)供，電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)源的(de)(de)(de)輸出電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)相當于蓄電(dian)(dian)(dian)(dian)(dian)(dian)池的(de)(de)(de)輸出的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，輸出電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)值根據控(kong)制的(de)(de)(de)信號而(er)定。優點(dian)(dian)1：避免電(dian)(dian)(dian)(dian)(dian)(dian)網電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)不穩定造成的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)部優點(dian)(dian)2：不產生磁(ci)場...

  • 2019

    8-9

    耐電弧試驗儀幾大技術介紹

    耐(nai)電(dian)(dian)(dian)弧試(shi)驗(yan)儀(yi)是按(an)照應用于電(dian)(dian)(dian)機、電(dian)(dian)(dian)器和(he)家用電(dian)(dian)(dian)器等(deng)(deng)行業的(de)(de)(de)電(dian)(dian)(dian)工用塑料、樹脂膠和(he)絕(jue)緣(yuan)(yuan)(yuan)漆(qi)等(deng)(deng)絕(jue)緣(yuan)(yuan)(yuan)材料的(de)(de)(de)耐(nai)電(dian)(dian)(dian)弧性(xing)(xing)能(neng)評定，主用于固體(ti)絕(jue)緣(yuan)(yuan)(yuan)材料如：塑料、薄膜、樹脂、云母、陶瓷、玻璃、絕(jue)緣(yuan)(yuan)(yuan)油、絕(jue)緣(yuan)(yuan)(yuan)漆(qi)、紙板等(deng)(deng)介(jie)質的(de)(de)(de)耐(nai)電(dian)(dian)(dian)弧性(xing)(xing)能(neng)測試(shi)；本試(shi)驗(yan)機由計算(suan)機控制(zhi)(zhi)運行，可(ke)以顯示(shi)當前實(shi)驗(yan)狀態及(ji)實(shi)驗(yan)時(shi)間，實(shi)驗(yan)結束后(hou)并(bing)保存當前實(shi)驗(yan)數(shu)據，并(bing)可(ke)打印.標準(zhun)實(shi)驗(yan)報告(gao)。耐(nai)電(dian)(dian)(dian)弧試(shi)驗(yan)儀(yi)的(de)(de)(de)幾大技(ji)術：●TVS瞬間抑制(zhi)(zhi)防(fang)護技(ji)術：耐(nai)電(dian)(dian)(dian)弧試(shi)驗(yan)儀(yi)采(cai)用的(de)(de)(de)光耦隔(ge)離方式，但光耦與隔(ge)離無非是提(ti)高儀(yi)器的(de)(de)(de)采(cai)集的(de)(de)(de)抗干擾處理。對于電(dian)(dian)(dian)弧放電(dian)(dian)(dian)過程中的(de)(de)(de)浪涌對控制(zhi)(zhi)系...

  • 2019

    7-18

    DDJ系列電壓擊穿試驗儀

    1、高壓(ya)(ya)設備電(dian)(dian)壓(ya)(ya)采集對(dui)采集系統的(de)(de)要求比較高，我公(gong)司(si)電(dian)(dian)壓(ya)(ya)擊(ji)(ji)穿試驗儀(yi)控(kong)(kong)制部(bu)分采用德(de)國西(xi)門子PLC控(kong)(kong)制，具(ju)有很(hen)強的(de)(de)抗干(gan)擾(rao)能力，采用光電(dian)(dian)隔離數(shu)據(ju)(ju)線和(he)電(dian)(dian)腦(nao)通訊，使得在擊(ji)(ji)穿的(de)(de)瞬間保證(zheng)設備和(he)電(dian)(dian)腦(nao)的(de)(de)安(an)全運行2、德(de)國西(xi)門子PLC采集速率(lv)為(wei)1MS,擊(ji)(ji)穿響應(ying)(ying)判定時間為(wei)1MS,響應(ying)(ying)時間快(kuai)。3、電(dian)(dian)壓(ya)(ya)采集采用日(ri)本(ben)松野的(de)(de)電(dian)(dian)壓(ya)(ya)傳感器，數(shu)據(ju)(ju)準確，安(an)全可靠4、電(dian)(dian)流采集采用日(ri)本(ben)松野的(de)(de)電(dian)(dian)流傳感器，數(shu)據(ju)(ju)準確，安(an)全可靠5、本(ben)設備的(de)(de)判停(ting)方式(shi)有兩種(zhong)：電(dian)(dian)壓(ya)(ya)判停(ting)、電(dian)(dian)流判停(ting)6、升壓(ya)(ya)速率(lv)不分檔，可以由用戶自由設定。

  • 2019

    6-18

    熔體速率對照表

    材料相關(guan)標(biao)準測(ce)定(ding)熔體流動速率的試驗條件條件代(dai)號試驗溫度T/℃標(biao)稱負荷（組合）m/kgABSGB/T20417U22010ASA,ACS,AEDPSESO6402U22010E/VACGB/T39204D1902.16B1502.16Z1250.325MABSISO10366U22010PBISO8986D1902.16F19010GB/T19473T1905ISO15494D1902.16T1905PCESO7391W3001.2PEGB/T1845E1900.325D190...

  • 2019

    5-28

    塑料球壓痕硬度值壓入深度與實驗負荷的函數關系表

    表(biao)A.1中(zhong)的(de)HB值是利用(yong)(yong)在9.1和9.2中(zhong)給出(chu)的(de)公(gong)式計算出(chu)的(de)。當(dang)修(xiu)正的(de)壓(ya)入(ru)深度(du)h確(que)定時（見8.7），可利用(yong)(yong)該表(biao)直接讀出(chu)HB值。表(biao)A.1壓(ya)入(ru)深度(du)h/mm在下列各(ge)負荷Fm下的(de)球(qiu)壓(ya)痕硬度(du)HB值／（N/mm2)49N132N358N961N0.1500.1550.1600.1650.1700.1750.1800.1850.1900.19523.8222.7921.8420.9620.1619.4118.7218.0717.4716.9164.1761.3858.8256.4754.3...

  • 2019

    5-17

    液體增塑劑電阻率測試儀工作原理

    一、符合(he)標準及適用范圍：GEST-121A觸摸屏(ping)體(ti)積電(dian)阻(zu)率測(ce)試儀(yi)*符合(he)國家標準GB/T1410－2006、ASTMD257-99、GB/T2439-2001、GB/T10581-2006、GB/T1692-2008、GB/T10064-2006、GB/T12703.4-2010、ASTMD257等(deng)標準要求。本儀(yi)器(qi)(qi)配不同的(de)測(ce)量電(dian)極（夾具）可以測(ce)量不同材料(liao)（固體(ti)、粉(fen)體(ti)或液(ye)體(ti)）的(de)體(ti)積電(dian)阻(zu)率和表面電(dian)阻(zu)率或電(dian)導率。本儀(yi)器(qi)(qi)除能測(ce)電(dian)阻(zu)外，還能直(zhi)接測(ce)量微(wei)弱電(dian)流。GEST-121A支持觸摸屏(ping)設...

  • 2019

    4-22

    塑料滑動摩擦磨損試驗機構成部分

    滑動摩擦磨損試(shi)(shi)驗(yan)(yan)機采用(yong)高精度(du)扭矩傳感器(qi)，16位單片機電子處理系統(tong)，使得本(ben)儀器(qi)各項(xiang)測(ce)試(shi)(shi)指標精度(du)非常高。由于集(ji)成程度(du)很高，所以(yi)設備(bei)本(ben)身的穩定性(xing)*，本(ben)機具有一(yi)次設置，全自動運行，實驗(yan)(yan)結束后自動停機，并檢(jian)測(ce)磨損程度(du)，同(tong)時(shi)通過打印機打印試(shi)(shi)驗(yan)(yan)數(shu)據(ju)等(deng)功能(neng)。滑動摩擦磨損試(shi)(shi)驗(yan)(yan)機主(zhu)(zhu)要由試(shi)(shi)驗(yan)(yan)主(zhu)(zhu)機及智(zhi)能(neng)控(kong)制系統(tong)兩大(da)部分構成，通過微機控(kong)制系統(tong)進行操作(zuo)試(shi)(shi)驗(yan)(yan)，在試(shi)(shi)驗(yan)(yan)過程中同(tong)時(shi)可以(yi)顯示數(shu)值(zhi)(zhi)、扭矩、時(shi)間(jian)曲線(xian)，并可以(yi)隨意設定試(shi)(shi)驗(yan)(yan)次數(shu)，顯示當前(qian)試(shi)(shi)驗(yan)(yan)數(shu)值(zhi)(zhi)，設定時(shi)間(jian)及當前(qian)試(shi)(shi)驗(yan)(yan)時(shi)間(jian)等(deng)多種功能(neng)，隨機配備(bei)彩(cai)色打印機，可以(yi)打...

  • 2019

    4-18

    氧指數測試儀日常維護

    YZS-100氧(yang)(yang)指數(shu)燃燒(shao)(shao)分(fen)(fen)析(xi)儀(yi)/氧(yang)(yang)指數(shu)儀(yi)生(sheng)(sheng)產(chan)廠家北京冠測(ce)精電儀(yi)器(qi)(qi)設備有限公司YZS-100氧(yang)(yang)指數(shu)燃燒(shao)(shao)分(fen)(fen)析(xi)儀(yi)/氧(yang)(yang)指數(shu)儀(yi)生(sheng)(sheng)產(chan)廠家一(yi)、概述：YZS-100氧(yang)(yang)指數(shu)燃燒(shao)(shao)分(fen)(fen)析(xi)儀(yi)/氧(yang)(yang)指數(shu)儀(yi)是根據國家標準(zhun)GB/T2406規(gui)定(ding)的技(ji)術要(yao)(yao)求研制的新型(xing)號(hao)產(chan)品。該儀(yi)器(qi)(qi)是用來測(ce)定(ding)聚合物燃燒(shao)(shao)過程(cheng)中所(suo)需(xu)要(yao)(yao)氧(yang)(yang)的體積百分(fen)(fen)比，聚合物氧(yang)(yang)指數(shu)值是在該物質引燃后，保(bao)持(chi)(chi)燃燒(shao)(shao)50mm長或(huo)燃燒(shao)(shao)時(shi)間為180s時(shi)所(suo)需(xu)要(yao)(yao)的氧(yang)(yang)、氮混合氣流中，剛好維持(chi)(chi)式樣燃燒(shao)(shao)所(suo)需(xu)的低氧(yang)(yang)濃度（亦稱氧(yang)(yang)指數(shu)）。YZS-100氧(yang)(yang)指數(shu)燃燒(shao)(shao)分(fen)(fen)析(xi)儀(yi)/氧(yang)(yang)指數(shu)儀(yi)不僅可...
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