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  • 2023

    11-1

    液體金屬電阻率測試儀產品介紹

    液態(tai)(tai)金屬(shu)電(dian)(dian)(dian)阻(zu)(zu)(zu)率(lv)測(ce)(ce)試儀(yi)GEST-123T液態(tai)(tai)金屬(shu)電(dian)(dian)(dian)阻(zu)(zu)(zu)率(lv)測(ce)(ce)試系(xi)統(tong)執行標(biao)準(zhun)：GB/T41079.2-2022液態(tai)(tai)金屬(shu)物(wu)理(li)性能測(ce)(ce)定方(fang)法第2部分：電(dian)(dian)(dian)導(dao)率(lv)的(de)測(ce)(ce)定設(she)(she)備(bei)用途：設(she)(she)備(bei)用于(yu)測(ce)(ce)試液態(tai)(tai)金屬(shu)在高于(yu)室溫(wen)情況下的(de)不同(tong)溫(wen)度(du)對應電(dian)(dian)(dian)阻(zu)(zu)(zu)的(de)變化一(yi)、設(she)(she)備(bei)概述(shu)液態(tai)(tai)金屬(shu)電(dian)(dian)(dian)阻(zu)(zu)(zu)率(lv)測(ce)(ce)試儀(yi)為(wei)我公司設(she)(she)計制造的(de)用于(yu)不同(tong)溫(wen)度(du)狀態(tai)(tai)下液態(tai)(tai)金屬(shu)電(dian)(dian)(dian)阻(zu)(zu)(zu)率(lv)的(de)測(ce)(ce)試儀(yi)器，本儀(yi)器加熱(re)方(fang)式為(wei)油浴加熱(re)，升(sheng)溫(wen)速率(lv)可(ke)調，可(ke)以(yi)實現多(duo)(duo)程序段的(de)升(sheng)溫(wen)控溫(wen)測(ce)(ce)試，儀(yi)器溫(wen)度(du)控制采(cai)用AI人工智能PID調節算法。測(ce)(ce)試電(dian)(dian)(dian)阻(zu)(zu)(zu)采(cai)購導(dao)體電(dian)(dian)(dian)阻(zu)(zu)(zu)率(lv)測(ce)(ce)試用主機，居中(zhong)有多(duo)(duo)恒(heng)流(liu)源可(ke)選...

  • 2023

    10-31

    體積電阻率與表面電阻率：導電性能之比較

    體(ti)(ti)積(ji)電(dian)(dian)阻(zu)率(lv)(lv)與表(biao)(biao)面(mian)電(dian)(dian)阻(zu)率(lv)(lv)：導(dao)電(dian)(dian)性(xing)能(neng)之比較體(ti)(ti)積(ji)電(dian)(dian)阻(zu)率(lv)(lv)和(he)表(biao)(biao)面(mian)電(dian)(dian)阻(zu)率(lv)(lv)是(shi)兩個不同(tong)的(de)(de)概(gai)念，它(ta)們(men)之間存在(zai)著明(ming)顯的(de)(de)區別。體(ti)(ti)積(ji)電(dian)(dian)阻(zu)率(lv)(lv)是(shi)指材(cai)料(liao)(liao)單位(wei)體(ti)(ti)積(ji)內對電(dian)(dian)流通過的(de)(de)阻(zu)力大(da)小(xiao)，它(ta)主要(yao)與物(wu)質成分、溫度和(he)材(cai)料(liao)(liao)狀態(tai)等(deng)因(yin)素密切相關(guan)，數值越(yue)小(xiao)表(biao)(biao)示材(cai)料(liao)(liao)導(dao)電(dian)(dian)性(xing)能(neng)越(yue)好。表(biao)(biao)面(mian)電(dian)(dian)阻(zu)率(lv)(lv)是(shi)指材(cai)料(liao)(liao)單位(wei)面(mian)積(ji)內對電(dian)(dian)流通過的(de)(de)阻(zu)力大(da)小(xiao)，它(ta)是(shi)衡量材(cai)料(liao)(liao)表(biao)(biao)面(mian)導(dao)電(dian)(dian)性(xing)能(neng)的(de)(de)重要(yao)參(can)數之一，主要(yao)與材(cai)料(liao)(liao)表(biao)(biao)面(mian)的(de)(de)接觸條件、干凈程度、形態(tai)結構等(deng)因(yin)素密切相關(guan)，數值越(yue)小(xiao)表(biao)(biao)示材(cai)料(liao)(liao)表(biao)(biao)面(mian)導(dao)電(dian)(dian)性(xing)能(neng)越(yue)好。

  • 2023

    10-31

    ?體積電阻率和表面電阻率

    體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)和表面(mian)(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)學(xue)中的(de)(de)一個重要(yao)概念，它是(shi)指(zhi)單(dan)(dan)位長度(du)(du)或單(dan)(dan)位面(mian)(mian)積(ji)(ji)的(de)(de)導(dao)體(ti)(ti)(ti)(ti)(ti)在(zai)單(dan)(dan)位溫度(du)(du)下的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)。電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)的(de)(de)大小與(yu)導(dao)體(ti)(ti)(ti)(ti)(ti)的(de)(de)材料(liao)、溫度(du)(du)、形(xing)狀等(deng)因素有關。在(zai)電(dian)(dian)(dian)(dian)(dian)(dian)學(xue)中，常用的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)有體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)和表面(mian)(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)。體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)是(shi)指(zhi)導(dao)體(ti)(ti)(ti)(ti)(ti)單(dan)(dan)位體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)內的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)，通常用符號ρ表示(shi)。體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)是(shi)導(dao)體(ti)(ti)(ti)(ti)(ti)材料(liao)的(de)(de)固有屬(shu)性，與(yu)導(dao)體(ti)(ti)(ti)(ti)(ti)的(de)(de)形(xing)狀和尺寸無(wu)關。不同材料(liao)的(de)(de)體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)不同，一般來說，金屬(shu)的(de)(de)體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)比(bi)非金屬(shu)低，導(dao)體(ti)(ti)(ti)(ti)(ti)的(de)(de)體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)比(bi)絕緣體(ti)(ti)(ti)(ti)(ti)低。表面(mian)(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)是(shi)指(zhi)導(dao)體(ti)(ti)(ti)(ti)(ti)單(dan)(dan)位面(mian)(mian)積(ji)(ji)上的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)，通常用符號ρs表示(shi)。表面(mian)(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)(lv)(lv)與(yu)導(dao)體(ti)(ti)(ti)(ti)(ti)的(de)(de)形(xing)狀和...

  • 2023

    10-31

    體積表面電阻率測試儀產品介紹

    體(ti)(ti)(ti)(ti)積表(biao)面(mian)電(dian)阻(zu)(zu)測試(shi)儀(yi)(yi)-GEST-121一、產品概述本(ben)儀(yi)(yi)器(qi)(qi)主要用(yong)于(yu)測試(shi)絕(jue)緣(yuan)(yuan)材(cai)(cai)(cai)料的(de)(de)絕(jue)緣(yuan)(yuan)電(dian)阻(zu)(zu)、體(ti)(ti)(ti)(ti)積電(dian)阻(zu)(zu)及(ji)(ji)表(biao)面(mian)電(dian)阻(zu)(zu)值，本(ben)儀(yi)(yi)器(qi)(qi)是一臺通(tong)用(yong)試(shi)驗儀(yi)(yi)器(qi)(qi)，通(tong)過選配不(bu)同(tong)的(de)(de)測試(shi)電(dian)，可(ke)(ke)以滿足和測試(shi)所有不(bu)同(tong)類型(xing)的(de)(de)絕(jue)緣(yuan)(yuan)材(cai)(cai)(cai)料，如：粉(fen)末、片材(cai)(cai)(cai)、薄膜和液(ye)體(ti)(ti)(ti)(ti)溶液(ye)等(deng)。本(ben)儀(yi)(yi)器(qi)(qi)測試(shi)量(liang)程比較款，可(ke)(ke)以到1018Ω，幾乎(hu)可(ke)(ke)以滿足于(yu)市場上(shang)所有的(de)(de)絕(jue)緣(yuan)(yuan)材(cai)(cai)(cai)料的(de)(de)測試(shi)。二、材(cai)(cai)(cai)料類型(xing)：適用(yong)于(yu)橡(xiang)膠、塑(su)料、薄膜、塊體(ti)(ti)(ti)(ti)等(deng)絕(jue)緣(yuan)(yuan)材(cai)(cai)(cai)料及(ji)(ji)粉(fen)體(ti)(ti)(ti)(ti)、液(ye)體(ti)(ti)(ti)(ti)、固體(ti)(ti)(ti)(ti)和膏(gao)體(ti)(ti)(ti)(ti)形狀(zhuang)的(de)(de)各種絕(jue)緣(yuan)(yuan)材(cai)(cai)(cai)料體(ti)(ti)(ti)(ti)積和表(biao)面(mian)電(dian)阻(zu)(zu)值的(de)(de)測定。三、適用(yong)客戶：適用(yong)于(yu)計量(liang)院、第三方檢測機構、科研院所...

  • 2023

    10-30

    石墨電極電阻率及其影響因素

    石墨(mo)電(dian)(dian)(dian)(dian)極電(dian)(dian)(dian)(dian)阻率(lv)及其影(ying)響因素(su)一(yi)(yi)、石墨(mo)電(dian)(dian)(dian)(dian)的(de)(de)電(dian)(dian)(dian)(dian)阻率(lv)石墨(mo)電(dian)(dian)(dian)(dian)是一(yi)(yi)種重要(yao)的(de)(de)導(dao)電(dian)(dian)(dian)(dian)材料，其電(dian)(dian)(dian)(dian)阻率(lv)是影(ying)響石墨(mo)電(dian)(dian)(dian)(dian)性(xing)(xing)能的(de)(de)重要(yao)因素(su)之一(yi)(yi)。石墨(mo)電(dian)(dian)(dian)(dian)的(de)(de)電(dian)(dian)(dian)(dian)阻率(lv)是指(zhi)單位長(chang)度內電(dian)(dian)(dian)(dian)阻的(de)(de)大小(xiao)(xiao)(xiao)，通常用Ω·cm表(biao)示。一(yi)(yi)般來說，石墨(mo)電(dian)(dian)(dian)(dian)的(de)(de)電(dian)(dian)(dian)(dian)阻率(lv)越(yue)(yue)小(xiao)(xiao)(xiao)，其導(dao)電(dian)(dian)(dian)(dian)性(xing)(xing)能越(yue)(yue)好，能耗越(yue)(yue)低。石墨(mo)電(dian)(dian)(dian)(dian)的(de)(de)電(dian)(dian)(dian)(dian)阻率(lv)受其原料和加工工藝的(de)(de)影(ying)響較(jiao)大。先，在(zai)原料方面，石墨(mo)電(dian)(dian)(dian)(dian)的(de)(de)精(jing)制(zhi)程度越(yue)(yue)高，其含雜質(zhi)越(yue)(yue)少，電(dian)(dian)(dian)(dian)阻率(lv)越(yue)(yue)小(xiao)(xiao)(xiao)。其次，加工工藝對電(dian)(dian)(dian)(dian)阻率(lv)也(ye)有很大的(de)(de)影(ying)響，如石墨(mo)電(dian)(dian)(dian)(dian)的(de)(de)成型、固化和焙(bei)燒(shao)(shao)等工藝均對電(dian)(dian)(dian)(dian)阻率(lv)產生影(ying)響。焙(bei)燒(shao)(shao)是石墨(mo)電(dian)(dian)(dian)(dian)制(zhi)造過程中的(de)(de)重要(yao)環(huan)節，也(ye)是影(ying)響電(dian)(dian)(dian)(dian)阻率(lv)的(de)(de)關鍵...

  • 2023

    10-30

    溫度電，石墨電，互相有什么影響

    溫度電，石(shi)墨(mo)電，互相有什么影響（一）可作(zuo)耐(nai)火(huo)材(cai)(cai)料(liao)由于(yu)石(shi)墨(mo)具有較強(qiang)(qiang)的(de)耐(nai)火(huo)性，故(gu)而可以被(bei)用來生(sheng)產耐(nai)火(huo)材(cai)(cai)料(liao)，比(bi)(bi)如(ru)當市場(chang)上比(bi)(bi)較常(chang)(chang)見(jian)的(de)坩堝、耐(nai)火(huo)磚(zhuan)(zhuan)、鑄(zhu)模芯、連續(xu)鑄(zhu)造粉、耐(nai)高溫材(cai)(cai)料(liao)等(deng)。隨著現(xian)代科學技術的(de)不斷發展，鎂碳(tan)磚(zhuan)(zhuan)等(deng)耐(nai)火(huo)材(cai)(cai)料(liao)在(zai)煉鋼(gang)爐內襯中(zhong)的(de)應(ying)用越(yue)來越(yue)廣(guang)泛、鋁碳(tan)磚(zhuan)(zhuan)內在(zai)連續(xu)鑄(zhu)造中(zhong)的(de)應(ying)用性逐(zhu)漸增(zeng)(zeng)強(qiang)(qiang)，加(jia)強(qiang)(qiang)了(le)石(shi)墨(mo)材(cai)(cai)料(liao)與冶金行業(ye)的(de)聯系，對推動兩個行業(ye)發展起到了(le)十分重(zhong)要的(de)作(zuo)用。（二）用于(yu)煉鋼(gang)增(zeng)(zeng)碳(tan)劑(ji)石(shi)墨(mo)在(zai)煉鋼(gang)等(deng)冶金過程中(zhong)通常(chang)(chang)被(bei)用作(zuo)增(zeng)(zeng)碳(tan)劑(ji)，在(zai)現(xian)技術的(de)支持下，能夠被(bei)應(ying)用于(yu)滲碳(tan)環節的(de)碳(tan)質(zhi)材(cai)(cai)料(liao)逐(zhu)漸增(zeng)(zeng)多(duo)，其中(zhong)...

  • 2023

    10-30

    石墨電阻率測試儀產品介紹

    石墨電(dian)(dian)阻率測(ce)定儀(35A-手提便攜式)GEST-122A滿足(zu)標準：GB/T24525-2009炭(tan)素材料電(dian)(dian)阻率測(ce)定方(fang)法GB/T24521-2009焦炭(tan)電(dian)(dian)阻率測(ce)定方(fang)法YB/T120-1997炭(tan)素材料電(dian)(dian)阻率測(ce)定方(fang)法一、儀器(qi)的用途及特點本(ben)儀器(qi)是(shi)我公司研制的一種自動(dong)化(hua)程(cheng)度很高的便攜式測(ce)試(shi)儀，門(men)用于測(ce)量(liang)石墨電(dian)(dian)的直流電(dian)(dian)阻及電(dian)(dian)阻率。儀器(qi)采用高性能(neng)(neng)單片機控制，可實現測(ce)試(shi)過程(cheng)智能(neng)(neng)化(hua)，操作(zuo)簡單方(fang)便、可以顯示цΩ電(dian)(dian)阻值，測(ce)試(shi)速度快，復測(ce)性好、讀數直觀，是(shi)符合規程(cheng)要求的理(li)想的用儀器(qi)，大(da)大(da)方(fang)便了試(shi)驗項目...

  • 2023

    10-27

    熱刺激電流測量儀：評估材料熱學性質與性能表現的工具

    熱(re)(re)(re)(re)(re)(re)刺激電流(liu)測(ce)量(liang)儀(yi)：評估材(cai)(cai)料熱(re)(re)(re)(re)(re)(re)學(xue)性(xing)(xing)(xing)質(zhi)與性(xing)(xing)(xing)能表現(xian)的(de)(de)工具(ju)熱(re)(re)(re)(re)(re)(re)刺激電流(liu)測(ce)量(liang)儀(yi)是一(yi)種用(yong)于(yu)研究(jiu)材(cai)(cai)料在(zai)熱(re)(re)(re)(re)(re)(re)刺激下表現(xian)出的(de)(de)熱(re)(re)(re)(re)(re)(re)學(xue)性(xing)(xing)(xing)質(zhi)和(he)性(xing)(xing)(xing)能的(de)(de)實驗設(she)備。通過測(ce)量(liang)材(cai)(cai)料在(zai)加熱(re)(re)(re)(re)(re)(re)過程中電流(liu)的(de)(de)變化，可(ke)以獲取(qu)材(cai)(cai)料熱(re)(re)(re)(re)(re)(re)學(xue)性(xing)(xing)(xing)質(zhi)和(he)性(xing)(xing)(xing)能表現(xian)的(de)(de)大量(liang)信息。本文將詳細介紹如何使用(yong)熱(re)(re)(re)(re)(re)(re)刺激電流(liu)測(ce)量(liang)儀(yi)來(lai)測(ce)量(liang)材(cai)(cai)料的(de)(de)熱(re)(re)(re)(re)(re)(re)導(dao)率、熱(re)(re)(re)(re)(re)(re)膨脹系(xi)數、熱(re)(re)(re)(re)(re)(re)電系(xi)數、熱(re)(re)(re)(re)(re)(re)阻(zu)抗、熱(re)(re)(re)(re)(re)(re)穩(wen)定性(xing)(xing)(xing)、熱(re)(re)(re)(re)(re)(re)傳導(dao)系(xi)數、熱(re)(re)(re)(re)(re)(re)容、熱(re)(re)(re)(re)(re)(re)擴(kuo)散(san)率、熱(re)(re)(re)(re)(re)(re)應力和(he)熱(re)(re)(re)(re)(re)(re)疲勞等參數。1.熱(re)(re)(re)(re)(re)(re)導(dao)率熱(re)(re)(re)(re)(re)(re)導(dao)率是描(miao)述材(cai)(cai)料導(dao)熱(re)(re)(re)(re)(re)(re)性(xing)(xing)(xing)能的(de)(de)重要參數，它(ta)表示材(cai)(cai)料在(zai)單位時間內(nei)、單位面積上傳遞的(de)(de)熱(re)(re)(re)(re)(re)(re)量(liang)。在(zai)熱(re)(re)(re)(re)(re)(re)刺激電流(liu)測(ce)量(liang)儀(yi)中，通過加熱(re)(re)(re)(re)(re)(re)材(cai)(cai)料...

  • 2023

    10-27

    熱刺激電流測量理論與應用

    熱(re)刺(ci)(ci)激(ji)(ji)(ji)電(dian)流測(ce)量(liang)理(li)(li)論與(yu)應用(yong)(yong)(yong)熱(re)刺(ci)(ci)激(ji)(ji)(ji)理(li)(li)論是(shi)在介質(zhi)物(wu)理(li)(li)的(de)(de)基礎上發展起來(lai)的(de)(de)，研(yan)究這一(yi)理(li)(li)論的(de)(de)方法即(ji)熱(re)刺(ci)(ci)激(ji)(ji)(ji)法比較簡(jian)單(dan)實用(yong)(yong)(yong)而且又能較準確地測(ce)量(liang)出(chu)某些物(wu)質(zhi)（如(ru)(ru)(ru)電(dian)介質(zhi)、絕緣材(cai)(cai)料(liao)(liao)(liao)、半導體、駐(zhu)體等(deng)(deng)）的(de)(de)微觀參(can)(can)數(shu)，熱(re)刺(ci)(ci)激(ji)(ji)(ji)法是(shi)一(yi)面對(dui)材(cai)(cai)料(liao)(liao)(liao)升溫一(yi)面進行測(ce)量(liang)，即(ji)非等(deng)(deng)溫測(ce)量(liang)。由(you)于材(cai)(cai)料(liao)(liao)(liao)（例如(ru)(ru)(ru)介電(dian)材(cai)(cai)料(liao)(liao)(liao))中(zhong)(zhong)的(de)(de)荷(he)(he)電(dian)粒子的(de)(de)微觀參(can)(can)數(shu)（如(ru)(ru)(ru)活化能H、松弛時(shi)間(jian)等(deng)(deng)）不同，用(yong)(yong)(yong)熱(re)刺(ci)(ci)激(ji)(ji)(ji)法就很容(rong)易(yi)將材(cai)(cai)料(liao)(liao)(liao)中(zhong)(zhong)的(de)(de)各種(zhong)不同H或松弛時(shi)間(jian)的(de)(de)荷(he)(he)電(dian)粒子分(fen)離開來(lai)，從而求出(chu)各自的(de)(de)參(can)(can)數(shu)。因為(wei)熱(re)刺(ci)(ci)激(ji)(ji)(ji)電(dian)流與(yu)材(cai)(cai)料(liao)(liao)(liao)的(de)(de)這些參(can)(can)數(shu)（如(ru)(ru)(ru)H與(yu)松弛時(shi)間(jian)）密切相關(guan)，故它是(shi)一(yi)種(zhong)研(yan)究介電(dian)...

  • 2023

    10-27

    熱刺激電流試驗儀產品介紹

    熱(re)(re)刺激電流試(shi)(shi)驗系(xi)統(tong)GEST-121AI一、設備概述(shu)：本(ben)儀(yi)(yi)器主要適用于在不(bu)同溫度(du)下測試(shi)(shi)材(cai)料電阻的(de)試(shi)(shi)驗測量系(xi)統(tong)，主要測試(shi)(shi)材(cai)料的(de)電阻溫度(du)變(bian)化關系(xi)。儀(yi)(yi)器測試(shi)(shi)流程自動(dong)化實(shi)現和完成，并可以保存和導出試(shi)(shi)驗數據。二(er)、技術(shu)參數：1、小電流分(fen)辨率(lv)：-1016A2、溫度(du)測量范圍：-40°C-250°C3、升溫速率(lv)：0.5℃--10℃/min4、電壓量程（DC）：10V/50V/100V/250V/500V/1000V5、樣(yang)品架：自動(dong)升降(jiang)6、加熱(re)(re)方式：電熱(re)(re)絲7、制冷方式：壓縮機8、導熱(re)(re)制冷介質：二(er)甲...
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