使(shi)用電(dian)(dian)(dian)(dian)(dian)阻率測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)時(shi)需要(yao)注(zhu)意(yi)什(shen)么？1. 操作(zuo)規(gui)(gui)范：在(zai)使(shi)用電(dian)(dian)(dian)(dian)(dian)阻率測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)前，需要(yao)先按照操作(zuo)規(gui)(gui)范熟(shu)悉儀(yi)器(qi)，了解測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)方(fang)法和(he)注(zhu)意(yi)事項(xiang)等(deng)，以確保測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)的精確性(xing)(xing)和(he)安全性(xing)(xing)。2. 溫(wen)度(du)控(kong)制(zhi)：約定(ding)(ding)好所測(ce)(ce)(ce)(ce)(ce)(ce)材料的溫(wen)度(du)范圍，若存在(zai)溫(wen)度(du)影(ying)響(xiang)，則要(yao)保證(zheng)(zheng)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)時(shi)材料溫(wen)度(du)穩定(ding)(ding)，一般(ban)使(shi)用溫(wen)度(du)恒(heng)定(ding)(ding)的機械(xie)，電(dian)(dian)(dian)(dian)(dian)子灸等(deng)手段來(lai)保持被測(ce)(ce)(ce)(ce)(ce)(ce)材料的恒(heng)定(ding)(ding)溫(wen)度(du)。3. 去除(chu)干擾(rao)(rao)：在(zai)進(jin)(jin)(jin)行(xing)電(dian)(dian)(dian)(dian)(dian)阻率測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)時(shi)，需要(yao)做好防(fang)(fang)靜(jing)電(dian)(dian)(dian)(dian)(dian)和(he)去除(chu)電(dian)(dian)(dian)(dian)(dian)磁干擾(rao)(rao)的措施(shi)，以保證(zheng)(zheng)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)結(jie)果的準(zhun)(zhun)確性(xing)(xing)，例(li)如(ru)使(shi)用防(fang)(fang)靜(jing)電(dian)(dian)(dian)(dian)(dian)工具對材料進(jin)(jin)(jin)行(xing)消靜(jing)電(dian)(dian)(dian)(dian)(dian)處理，或者在(zai)較強電(dian)(dian)(dian)(dian)(dian)磁場(chang)下進(jin)(jin)(jin)行(xing)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)時(shi)。4. 校(xiao)正(zheng)儀(yi)器(qi)：使(shi)用電(dian)(dian)(dian)(dian)(dian)阻率測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)前需要(yao)進(jin)(jin)(jin)行(xing)儀(yi)器(qi)校(xiao)準(zhun)(zhun)。儀(yi)器(qi)的校(xiao)準(zhun)(zhun)可在(zai)生(sheng)產廠家(jia)或者專業機構(gou)進(jin)(jin)(jin)行(xing)，也可以使(shi)用標(biao)準(zhun)(zhun)電(dian)(dian)(dian)(dian)(dian)阻進(jin)(jin)(jin)行(xing)校(xiao)準(zhun)(zhun)。5. 充分接(jie)觸(chu)(chu)：在(zai)進(jin)(jin)(jin)行(xing)電(dian)(dian)(dian)(dian)(dian)阻率測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)時(shi)，需要(yao)保證(zheng)(zheng)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)儀(yi)器(qi)和(he)測(ce)(ce)(ce)(ce)(ce)(ce)試(shi)物(wu)料之(zhi)間的充分接(jie)觸(chu)(chu)，確保數據的準(zhun)(zhun)確性(xing)(xing)。出現(xian)接(jie)觸(chu)(chu)不良或臟物(wu)堆(dui)積等(deng)情況時(shi)要(yao)及時(shi)處理。電(dian)(dian)(dian)(dian)(dian)阻率測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)可以監測(ce)(ce)(ce)(ce)(ce)(ce)材料在(zai)不同溫(wen)度(du)下的電(dian)(dian)(dian)(dian)(dian)阻率變化。上海(hai)多功能電(dian)(dian)(dian)(dian)(dian)阻率測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)推薦

電(dian)(dian)(dian)阻(zu)(zu)率(lv)測(ce)(ce)(ce)(ce)(ce)量儀(yi)(yi)如何安裝(zhuang)？1. 選擇安裝(zhuang)位置：安裝(zhuang)電(dian)(dian)(dian)阻(zu)(zu)率(lv)測(ce)(ce)(ce)(ce)(ce)量儀(yi)(yi)時(shi)，首先應(ying)該選擇一個平(ping)穩、干燥、通風良(liang)好(hao)、無塵環境(jing)的(de)(de)(de)(de)地方，避免陽光直(zhi)射(she)和潮濕環境(jing)。2. 組裝(zhuang)設備(bei)：將(jiang)設備(bei)按照說明書中的(de)(de)(de)(de)步驟(zou)進(jin)行(xing)(xing)(xing)組裝(zhuang)，包括(kuo)安裝(zhuang)探頭、電(dian)(dian)(dian)極(ji)(ji)、儀(yi)(yi)表、電(dian)(dian)(dian)源等組件。3. 連接電(dian)(dian)(dian)源：將(jiang)儀(yi)(yi)器連接到穩定(ding)的(de)(de)(de)(de)電(dian)(dian)(dian)源上并打開儀(yi)(yi)器開關，確(que)(que)認(ren)儀(yi)(yi)器電(dian)(dian)(dian)源和電(dian)(dian)(dian)壓都正常。4. 調整儀(yi)(yi)器參(can)數：根(gen)據(ju)被測(ce)(ce)(ce)(ce)(ce)試(shi)的(de)(de)(de)(de)物質種(zhong)類和所需的(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)試(shi)參(can)數進(jin)行(xing)(xing)(xing)調整，包括(kuo)電(dian)(dian)(dian)壓、電(dian)(dian)(dian)流、時(shi)間等，具(ju)體參(can)考設備(bei)說明書。5. 連接被測(ce)(ce)(ce)(ce)(ce)試(shi)樣品：將(jiang)被測(ce)(ce)(ce)(ce)(ce)試(shi)樣品與電(dian)(dian)(dian)極(ji)(ji)接觸良(liang)好(hao)，保證測(ce)(ce)(ce)(ce)(ce)試(shi)的(de)(de)(de)(de)準確(que)(que)度和可靠性(xing)。6. 測(ce)(ce)(ce)(ce)(ce)試(shi)數據(ju)標定(ding)：對(dui)測(ce)(ce)(ce)(ce)(ce)試(shi)結(jie)果進(jin)行(xing)(xing)(xing)標定(ding)校準，核對(dui)電(dian)(dian)(dian)阻(zu)(zu)率(lv)測(ce)(ce)(ce)(ce)(ce)量儀(yi)(yi)的(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)量結(jie)果。必要時(shi)進(jin)行(xing)(xing)(xing)多(duo)次測(ce)(ce)(ce)(ce)(ce)量，確(que)(que)保結(jie)果準確(que)(que)可靠。7. 安裝(zhuang)固定(ding)：根(gen)據(ju)設備(bei)的(de)(de)(de)(de)特性(xing)，選擇更好(hao)的(de)(de)(de)(de)安裝(zhuang)方式固定(ding)電(dian)(dian)(dian)阻(zu)(zu)率(lv)測(ce)(ce)(ce)(ce)(ce)量儀(yi)(yi)，如支(zhi)架、吸盤等。北(bei)京(jing)方塊電(dian)(dian)(dian)阻(zu)(zu)率(lv)測(ce)(ce)(ce)(ce)(ce)量儀(yi)(yi)供應(ying)商推薦不同型號的(de)(de)(de)(de)電(dian)(dian)(dian)阻(zu)(zu)率(lv)測(ce)(ce)(ce)(ce)(ce)量儀(yi)(yi)可以支(zhi)持多(duo)種(zhong)測(ce)(ce)(ce)(ce)(ce)試(shi)模式。

電(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)測(ce)(ce)(ce)量(liang)(liang)(liang)儀與電(dian)(dian)(dian)阻(zu)(zu)表(biao)(biao)的(de)(de)(de)區別是什么？ 電(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)測(ce)(ce)(ce)量(liang)(liang)(liang)儀和電(dian)(dian)(dian)阻(zu)(zu)表(biao)(biao)都可(ke)以用(yong)(yong)于(yu)測(ce)(ce)(ce)量(liang)(liang)(liang)電(dian)(dian)(dian)阻(zu)(zu)，但是它(ta)們的(de)(de)(de)應(ying)用(yong)(yong)場(chang)景、原理(li)和功能(neng)(neng)不(bu)(bu)同(tong)(tong)。1. 應(ying)用(yong)(yong)場(chang)景不(bu)(bu)同(tong)(tong)：電(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)測(ce)(ce)(ce)量(liang)(liang)(liang)儀通(tong)常(chang)用(yong)(yong)于(yu)測(ce)(ce)(ce)量(liang)(liang)(liang)絕(jue)緣性材料(liao)的(de)(de)(de)電(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)，例如塑(su)料(liao)、橡膠、絕(jue)緣漆等，而電(dian)(dian)(dian)阻(zu)(zu)表(biao)(biao)則通(tong)常(chang)用(yong)(yong)于(yu)測(ce)(ce)(ce)量(liang)(liang)(liang)導體中的(de)(de)(de)電(dian)(dian)(dian)阻(zu)(zu)。2. 測(ce)(ce)(ce)量(liang)(liang)(liang)原理(li)不(bu)(bu)同(tong)(tong)：電(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)測(ce)(ce)(ce)量(liang)(liang)(liang)儀通(tong)過(guo)在被測(ce)(ce)(ce)材料(liao)上施加電(dian)(dian)(dian)勢差并(bing)(bing)測(ce)(ce)(ce)量(liang)(liang)(liang)通(tong)信的(de)(de)(de)電(dian)(dian)(dian)流來(lai)計算電(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)。電(dian)(dian)(dian)阻(zu)(zu)表(biao)(biao)則是測(ce)(ce)(ce)量(liang)(liang)(liang)在傳統電(dian)(dian)(dian)路中的(de)(de)(de)恒定電(dian)(dian)(dian)流下的(de)(de)(de)電(dian)(dian)(dian)壓(ya)降，并(bing)(bing)通(tong)過(guo)歐姆(mu)定律計算電(dian)(dian)(dian)阻(zu)(zu)值(zhi)。3. 功能(neng)(neng)不(bu)(bu)同(tong)(tong)：電(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)測(ce)(ce)(ce)量(liang)(liang)(liang)儀通(tong)常(chang)配備有調速(su)、控制溫(wen)度(du)和保持精度(du)等功能(neng)(neng)，用(yong)(yong)于(yu)精確測(ce)(ce)(ce)量(liang)(liang)(liang)材料(liao)的(de)(de)(de)電(dian)(dian)(dian)阻(zu)(zu)率(lv)(lv)。而電(dian)(dian)(dian)阻(zu)(zu)表(biao)(biao)通(tong)常(chang)只提(ti)供電(dian)(dian)(dian)阻(zu)(zu)值(zhi)的(de)(de)(de)測(ce)(ce)(ce)量(liang)(liang)(liang)，不(bu)(bu)具備其它(ta)高級功能(neng)(neng)。

電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)儀(yi)如(ru)(ru)何選(xuan)(xuan)(xuan)購？需(xu)要(yao)(yao)(yao)(yao)(yao)注(zhu)意(yi)哪些？1．應(ying)用(yong)領域：在進行選(xuan)(xuan)(xuan)擇(ze)時(shi)，首先要(yao)(yao)(yao)(yao)(yao)確認要(yao)(yao)(yao)(yao)(yao)測(ce)(ce)(ce)(ce)試(shi)的(de)(de)材(cai)(cai)料(liao)(liao)類型以(yi)及應(ying)用(yong)領域，這是選(xuan)(xuan)(xuan)擇(ze)電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)儀(yi)的(de)(de)關鍵(jian)。例如(ru)(ru)，如(ru)(ru)果(guo)需(xu)要(yao)(yao)(yao)(yao)(yao)測(ce)(ce)(ce)(ce)試(shi)塑料(liao)(liao)或(huo)橡膠等絕緣材(cai)(cai)料(liao)(liao)的(de)(de)電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)，則需(xu)要(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)擇(ze)一個專門用(yong)于這種材(cai)(cai)料(liao)(liao)的(de)(de)電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)儀(yi)。2．測(ce)(ce)(ce)(ce)量(liang)(liang)范(fan)圍(wei)：另一個需(xu)要(yao)(yao)(yao)(yao)(yao)考(kao)慮(lv)的(de)(de)因素是選(xuan)(xuan)(xuan)擇(ze)測(ce)(ce)(ce)(ce)量(liang)(liang)范(fan)圍(wei)。如(ru)(ru)果(guo)預計需(xu)要(yao)(yao)(yao)(yao)(yao)測(ce)(ce)(ce)(ce)量(liang)(liang)的(de)(de)材(cai)(cai)料(liao)(liao)范(fan)圍(wei)很廣，那么需(xu)要(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)擇(ze)具(ju)有(you)普遍測(ce)(ce)(ce)(ce)量(liang)(liang)范(fan)圍(wei)的(de)(de)電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)儀(yi)。3．精(jing)(jing)度和(he)分(fen)辨(bian)率(lv)(lv)(lv)(lv)：精(jing)(jing)度和(he)分(fen)辨(bian)率(lv)(lv)(lv)(lv)也是考(kao)慮(lv)的(de)(de)重要(yao)(yao)(yao)(yao)(yao)因素之一。如(ru)(ru)果(guo)需(xu)要(yao)(yao)(yao)(yao)(yao)高精(jing)(jing)度或(huo)者對于低(di)電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)非常(chang)敏感的(de)(de)應(ying)用(yong)，需(xu)要(yao)(yao)(yao)(yao)(yao)選(xuan)(xuan)(xuan)擇(ze)具(ju)有(you)高精(jing)(jing)度和(he)高分(fen)辨(bian)率(lv)(lv)(lv)(lv)的(de)(de)電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)裝置(zhi)。4．可(ke)靠(kao)(kao)性(xing)：選(xuan)(xuan)(xuan)擇(ze)可(ke)靠(kao)(kao)性(xing)較高的(de)(de)設備(bei)，以(yi)保(bao)(bao)證測(ce)(ce)(ce)(ce)試(shi)精(jing)(jing)度和(he)長期穩(wen)定性(xing)。電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)儀(yi)的(de)(de)構造質量(liang)(liang)、使用(yong)壽命、維(wei)修保(bao)(bao)養代價(jia)(jia)等都應(ying)該被考(kao)慮(lv)。5．價(jia)(jia)格：價(jia)(jia)格也是選(xuan)(xuan)(xuan)取電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)儀(yi)的(de)(de)參考(kao)因素之一，價(jia)(jia)格一般與功能、精(jing)(jing)度、品(pin)牌等相關。電(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)儀(yi)能夠幫助(zhu)分(fen)析不同形態(tai)的(de)(de)材(cai)(cai)料(liao)(liao)，例如(ru)(ru)薄(bo)膜(mo)、纖維(wei)等。

電(dian)(dian)阻率(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)的(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)結果(guo)精度(du)受(shou)什么(me)因(yin)素影(ying)(ying)響(xiang)(xiang)？ 1. 溫度(du)影(ying)(ying)響(xiang)(xiang)：材(cai)(cai)料(liao)的(de)(de)溫度(du)變化會影(ying)(ying)響(xiang)(xiang)材(cai)(cai)料(liao)的(de)(de)電(dian)(dian)阻值，從而影(ying)(ying)響(xiang)(xiang)電(dian)(dian)阻率(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)的(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)結果(guo)。因(yin)此(ci)，對(dui)于(yu)對(dui)溫度(du)敏(min)感的(de)(de)材(cai)(cai)料(liao)，需要(yao)使用(yong)帶有恒(heng)溫控(kong)制功能(neng)(neng)的(de)(de)電(dian)(dian)阻率(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)。2. 材(cai)(cai)料(liao)性(xing)質：材(cai)(cai)料(liao)的(de)(de)性(xing)質如晶粒大小、材(cai)(cai)料(liao)的(de)(de)形狀和(he)尺寸等(deng)，都會影(ying)(ying)響(xiang)(xiang)電(dian)(dian)阻率(lv)的(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)精度(du)。材(cai)(cai)料(liao)的(de)(de)結構和(he)形狀的(de)(de)變化可能(neng)(neng)導致電(dian)(dian)極(ji)和(he)材(cai)(cai)料(liao)之間的(de)(de)接(jie)觸受(shou)到干擾，從而影(ying)(ying)響(xiang)(xiang)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)結果(guo)。3. 測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)誤(wu)差(cha)：在(zai)進行電(dian)(dian)阻率(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)時，可能(neng)(neng)會出現電(dian)(dian)極(ji)接(jie)觸不良、電(dian)(dian)阻體(ti)的(de)(de)不均勻性(xing)誤(wu)差(cha)、測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)電(dian)(dian)流和(he)電(dian)(dian)壓的(de)(de)波動(dong)等(deng)誤(wu)差(cha)，這些誤(wu)差(cha)都會對(dui)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)結果(guo)產生較大的(de)(de)影(ying)(ying)響(xiang)(xiang)。電(dian)(dian)阻率(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)的(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)結果(guo)能(neng)(neng)夠反映(ying)材(cai)(cai)料(liao)的(de)(de)導電(dian)(dian)性(xing)能(neng)(neng)。陜西電(dian)(dian)阻率(lv)測(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)(liang)儀(yi)怎么(me)樣

電阻率(lv)測(ce)量儀可以在高溫(wen)、低溫(wen)等多種(zhong)環境條件下進行測(ce)量。上(shang)海多功能(neng)電阻率(lv)測(ce)量儀推薦(jian)

電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)儀(yi)的(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)原(yuan)理(li)是(shi)什么？ 電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)儀(yi)的(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)原(yuan)理(li)是(shi)基于(yu)歐姆定(ding)律：U = I * R，其中U是(shi)材料(liao)(liao)(liao)兩(liang)端(duan)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)勢(shi)(shi)差，I是(shi)通(tong)(tong)過(guo)材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，R是(shi)材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)。電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)是(shi)指材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)與其尺寸、幾(ji)何形(xing)狀(zhuang)和(he)(he)導電(dian)(dian)(dian)(dian)(dian)性(xing)能有關的(de)(de)(de)(de)(de)物(wu)理(li)量(liang)(liang)(liang)(liang)(liang)，公式為ρ = R * A / L，其中ρ是(shi)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)，R是(shi)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)，A是(shi)材料(liao)(liao)(liao)橫截(jie)面積，L是(shi)材料(liao)(liao)(liao)長(chang)度(du)。在(zai)進(jin)行電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)時(shi)，需(xu)要將(jiang)被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)材料(liao)(liao)(liao)放(fang)置在(zai)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)儀(yi)的(de)(de)(de)(de)(de)兩(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)極之間(jian)，對材料(liao)(liao)(liao)施(shi)加一定(ding)大(da)小的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)勢(shi)(shi)差，并測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)通(tong)(tong)過(guo)材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。通(tong)(tong)過(guo)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)勢(shi)(shi)差和(he)(he)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，可(ke)(ke)以計算(suan)出(chu)(chu)被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)，并根(gen)據(ju)材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)尺寸和(he)(he)幾(ji)何形(xing)狀(zhuang)計算(suan)出(chu)(chu)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)。為了避免由于(yu)溫度(du)的(de)(de)(de)(de)(de)變化而(er)引起的(de)(de)(de)(de)(de)誤(wu)差，電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)通(tong)(tong)常在(zai)恒(heng)定(ding)的(de)(de)(de)(de)(de)溫度(du)下(xia)進(jin)行。在(zai)材料(liao)(liao)(liao)具有一定(ding)的(de)(de)(de)(de)(de)溫度(du)系數時(shi)，還需(xu)要施(shi)加一個(ge)恒(heng)定(ding)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)來使被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)溫度(du)保持恒(heng)定(ding)以及計算(suan)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)時(shi)的(de)(de)(de)(de)(de)抵消電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)。根(gen)據(ju)被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)尺寸和(he)(he)形(xing)狀(zhuang)不同(tong)，要使用(yong)不同(tong)的(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)方法和(he)(he)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)儀(yi)器，例(li)如片(pian)狀(zhuang)材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)可(ke)(ke)以使用(yong)四電(dian)(dian)(dian)(dian)(dian)極方法，圓柱形(xing)材料(liao)(liao)(liao)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)可(ke)(ke)以使用(yong)Kelvin橋法等(deng)。上(shang)海(hai)多功(gong)能電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)(lv)(lv)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)儀(yi)推薦

岱(dai)美儀(yi)(yi)(yi)器(qi)(qi)(qi)技(ji)術(shu)服(fu)務(wu)(wu)(wu)（上海）有限公司是以半(ban)導(dao)體(ti)(ti)工藝設備(bei)，半(ban)導(dao)體(ti)(ti)測量(liang)(liang)(liang)設備(bei)，光(guang)刻(ke)(ke)機 鍵(jian)(jian)(jian)合(he)(he)機，膜(mo)厚(hou)測量(liang)(liang)(liang)儀(yi)(yi)(yi)研發、生產(chan)、銷售、服(fu)務(wu)(wu)(wu)為(wei)一體(ti)(ti)的(de)磁記錄、半(ban)導(dao)體(ti)(ti)、光(guang)通(tong)訊生產(chan)及(ji)(ji)測試儀(yi)(yi)(yi)器(qi)(qi)(qi)的(de)批(pi)發、進出(chu)口(kou)、傭金代理（拍(pai)賣除外(wai)）及(ji)(ji)其(qi)相關(guan)配套服(fu)務(wu)(wu)(wu)，國際貿易(yi)、轉口(kou)貿易(yi)，商務(wu)(wu)(wu)信息咨詢服(fu)務(wu)(wu)(wu) 企業(ye)(ye)(ye)，公司成立(li)于2002-02-07，地址(zhi)在金高(gao)(gao)路(lu)2216弄35號6幢306-308室。至(zhi)創始至(zhi)今(jin)，公司已經頗(po)有規模。本公司主(zhu)要(yao)從事半(ban)導(dao)體(ti)(ti)工藝設備(bei)，半(ban)導(dao)體(ti)(ti)測量(liang)(liang)(liang)設備(bei)，光(guang)刻(ke)(ke)機 鍵(jian)(jian)(jian)合(he)(he)機，膜(mo)厚(hou)測量(liang)(liang)(liang)儀(yi)(yi)(yi)領域內的(de)半(ban)導(dao)體(ti)(ti)工藝設備(bei)，半(ban)導(dao)體(ti)(ti)測量(liang)(liang)(liang)設備(bei)，光(guang)刻(ke)(ke)機 鍵(jian)(jian)(jian)合(he)(he)機，膜(mo)厚(hou)測量(liang)(liang)(liang)儀(yi)(yi)(yi)等產(chan)品(pin)(pin)的(de)研究開發。擁有一支(zhi)研發能力強、成果豐碩(shuo)的(de)技(ji)術(shu)隊伍。公司先后(hou)與(yu)行業(ye)(ye)(ye)上游與(yu)下游企業(ye)(ye)(ye)建立(li)了長(chang)期合(he)(he)作的(de)關(guan)系。EVG,Filmetrics,MicroSense,Herz,Film Sense,Polyteknik,4D,Nanotronics,Subnano,Bruker,FSM,SHB,ThetaMetrisi以符(fu)合(he)(he)行業(ye)(ye)(ye)標(biao)準的(de)產(chan)品(pin)(pin)質(zhi)量(liang)(liang)(liang)為(wei)目標(biao)，并始終(zhong)如一地堅守這一原則，正是這種(zhong)高(gao)(gao)標(biao)準的(de)自我要(yao)求(qiu)，產(chan)品(pin)(pin)獲得(de)市場(chang)及(ji)(ji)消費者的(de)高(gao)(gao)度認(ren)可。岱(dai)美儀(yi)(yi)(yi)器(qi)(qi)(qi)技(ji)術(shu)服(fu)務(wu)(wu)(wu)（上海）有限公司通(tong)過(guo)多年的(de)深耕細作，企業(ye)(ye)(ye)已通(tong)過(guo)儀(yi)(yi)(yi)器(qi)(qi)(qi)儀(yi)(yi)(yi)表質(zhi)量(liang)(liang)(liang)體(ti)(ti)系認(ren)證，確保公司各類產(chan)品(pin)(pin)以高(gao)(gao)技(ji)術(shu)、高(gao)(gao)性(xing)能、高(gao)(gao)精密度服(fu)務(wu)(wu)(wu)于廣大客(ke)戶。歡迎各界朋(peng)友蒞臨參觀(guan)、 指導(dao)和(he)業(ye)(ye)(ye)務(wu)(wu)(wu)洽談。

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