<昆明>天正華意電氣設備有限公司 多功能接地電阻測試儀現貨價格

昆明(ming)接地電(dian)(dian)阻(zu)測(ce)試儀(yi)在(zai)(zai)設(she)定(ding)(ding)(ding)報(bao)警(jing)(jing)(jing)(jing)臨(lin)界(jie)(jie)值(zhi)(zhi)狀(zhuang)態(tai)(tai)下(xia)(xia)(xia)，需(xu)先按(an)(an)(an)(an)(an)POWER鍵(jian)或按(an)(an)(an)(an)(an)AL鍵(jian)3秒退(tui)出(chu)(chu)設(she)定(ding)(ding)(ding)報(bao)警(jing)(jing)(jing)(jing)臨(lin)界(jie)(jie)值(zhi)(zhi)狀(zhuang)態(tai)(tai)，才(cai)能(neng)繼續測(ce)量(liang)。在(zai)(zai)電(dian)(dian)阻(zu)測(ce)試模(mo)式(shi)下(xia)(xia)(xia)，按(an)(an)(an)(an)(an)A鍵(jian)切換到電(dian)(dian)流測(ce)試模(mo)式(shi)。5．數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)鎖(suo)(suo)(suo)定(ding)(ding)(ding)/解除/存(cun)(cun)(cun)儲(chu)(chu)在(zai)(zai)測(ce)試模(mo)式(shi)下(xia)(xia)(xia)，按(an)(an)(an)(an)(an)HOLD鍵(jian)鎖(suo)(suo)(suo)定(ding)(ding)(ding)當前顯示值(zhi)(zhi)，顯示HOLD符號(hao)，同(tong)時，將此(ci)鎖(suo)(suo)(suo)定(ding)(ding)(ding)值(zhi)(zhi)作(zuo)(zuo)為(wei)一組數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)依次自動編號(hao)并存(cun)(cun)(cun)儲(chu)(chu)，再按(an)(an)(an)(an)(an)HOLD鍵(jian)取消鎖(suo)(suo)(suo)定(ding)(ding)(ding)，HOLD符號(hao)消失(shi)(shi)，可繼續測(ce)量(liang)。循環操作(zuo)(zuo)，能(neng)存(cun)(cun)(cun)儲(chu)(chu)99組數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)。若(ruo)(ruo)存(cun)(cun)(cun)儲(chu)(chu)已滿，閃爍(shuo)顯示MEM符號(hao)。如(ru)圖9，鎖(suo)(suo)(suo)定(ding)(ding)(ding)被測(ce)電(dian)(dian)阻(zu)0.016Ω，同(tong)時作(zuo)(zuo)為(wei)第01組數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)存(cun)(cun)(cun)儲(chu)(chu)。如(ru)圖10，鎖(suo)(suo)(suo)定(ding)(ding)(ding)被測(ce)電(dian)(dian)流278mA，同(tong)時作(zuo)(zuo)為(wei)第99組數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)存(cun)(cun)(cun)儲(chu)(chu)，此(ci)時內(nei)存(cun)(cun)(cun)已滿，MEM符號(hao)閃爍(shuo)顯示。在(zai)(zai)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)查閱(yue)(yue)模(mo)式(shi)下(xia)(xia)(xia)，按(an)(an)(an)(an)(an)MEM鍵(jian)退(tui)出(chu)(chu)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)查閱(yue)(yue)，才(cai)能(neng)進(jin)行數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)鎖(suo)(suo)(suo)定(ding)(ding)(ding)、存(cun)(cun)(cun)儲(chu)(chu)操作(zuo)(zuo)。在(zai)(zai)報(bao)警(jing)(jing)(jing)(jing)臨(lin)界(jie)(jie)值(zhi)(zhi)設(she)定(ding)(ding)(ding)狀(zhuang)態(tai)(tai)下(xia)(xia)(xia)，需(xu)先按(an)(an)(an)(an)(an)POWER鍵(jian)或按(an)(an)(an)(an)(an)AL鍵(jian)3秒退(tui)出(chu)(chu)報(bao)警(jing)(jing)(jing)(jing)臨(lin)界(jie)(jie)值(zhi)(zhi)設(she)定(ding)(ding)(ding)狀(zhuang)態(tai)(tai)，才(cai)能(neng)進(jin)行數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)鎖(suo)(suo)(suo)定(ding)(ding)(ding)、存(cun)(cun)(cun)儲(chu)(chu)操作(zuo)(zuo)。關機后再開(kai)機，不(bu)會(hui)丟失(shi)(shi)所存(cun)(cun)(cun)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)。6．數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)查閱(yue)(yue)按(an)(an)(an)(an)(an)MEM鍵(jian)進(jin)入(ru)查閱(yue)(yue)存(cun)(cun)(cun)儲(chu)(chu)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)模(mo)式(shi)，且默(mo)認顯示所存(cun)(cun)(cun)的第01組數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)，見圖11。再按(an)(an)(an)(an)(an)向右箭(jian)頭(tou)(tou)鍵(jian)，向上翻(fan)閱(yue)(yue)所存(cun)(cun)(cun)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)，按(an)(an)(an)(an)(an)向左箭(jian)頭(tou)(tou)鍵(jian)，向下(xia)(xia)(xia)翻(fan)閱(yue)(yue)所存(cun)(cun)(cun)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)。若(ruo)(ruo)無存(cun)(cun)(cun)儲(chu)(chu)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)，顯示見圖12。在(zai)(zai)報(bao)警(jing)(jing)(jing)(jing)臨(lin)界(jie)(jie)值(zhi)(zhi)設(she)定(ding)(ding)(ding)狀(zhuang)態(tai)(tai)下(xia)(xia)(xia)，需(xu)先按(an)(an)(an)(an)(an)POWER鍵(jian)或按(an)(an)(an)(an)(an)AL鍵(jian)3秒退(tui)出(chu)(chu)報(bao)警(jing)(jing)(jing)(jing)臨(lin)界(jie)(jie)值(zhi)(zhi)設(she)定(ding)(ding)(ding)狀(zhuang)態(tai)(tai)，再按(an)(an)(an)(an)(an)MEM鍵(jian)進(jin)入(ru)查閱(yue)(yue)存(cun)(cun)(cun)儲(chu)(chu)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)模(mo)式(shi)。

多功能接地電阻測試儀現貨價格

昆明接(jie)地(di)(di)電(dian)(dian)(dian)阻測(ce)(ce)試(shi)(shi)(shi)儀(yi)測(ce)(ce)試(shi)(shi)(shi)儀(yi)接(jie)地(di)(di)注(zhu)(zhu)意(yi)：在接(jie)上(shang)工作(zuo)電(dian)(dian)(dian)源(yuan)(yuan)之(zhi)前(qian)，必(bi)須保(bao)證本(ben)測(ce)(ce)試(shi)(shi)(shi)儀(yi)已經良好(hao)接(jie)地(di)(di)。本(ben)系列測(ce)(ce)試(shi)(shi)(shi)儀(yi)有(you)兩種(zhong)接(jie)地(di)(di)方式：(1)、電(dian)(dian)(dian)源(yuan)(yuan)線(xian)(xian)(xian)(xian)接(jie)地(di)(di)：本(ben)機(ji)使用(yong)三芯(xin)電(dian)(dian)(dian)源(yuan)(yuan)線(xian)(xian)(xian)(xian)，當電(dian)(dian)(dian)源(yuan)(yuan)線(xian)(xian)(xian)(xian)插到具有(you)地(di)(di)線(xian)(xian)(xian)(xian)的(de)(de)(de)插座時(shi)，即完成機(ji)殼接(jie)地(di)(di)。(2)、通(tong)過后(hou)面板上(shang)的(de)(de)(de)接(jie)線(xian)(xian)(xian)(xian)端子接(jie)地(di)(di)：通(tong)過測(ce)(ce)試(shi)(shi)(shi)儀(yi)隔(ge)離電(dian)(dian)(dian)源(yuan)(yuan)輸(shu)入(ru)板上(shang)的(de)(de)(de)接(jie)地(di)(di)端子接(jie)地(di)(di)，2.5 操(cao)作(zuo)、存儲、運輸(shu)環境(jing)(jing)操(cao)作(zuo)環境(jing)(jing)溫度(du)：0～40℃ 操(cao)作(zuo)相對(dui)濕(shi)度(du)：20～80％RH 40℃存儲環境(jing)(jing)溫度(du)：-40℃到55℃； 存儲相對(dui)濕(shi)度(du)：20～80％RH 40℃請(qing)保(bao)留所有(you)的(de)(de)(de)原(yuan)始包(bao)(bao)裝(zhuang)(zhuang)材料(liao)，如果儀(yi)器(qi)返回維(wei)修(xiu)，請(qing)用(yong)原(yuan)始包(bao)(bao)裝(zhuang)(zhuang)材料(liao)包(bao)(bao)裝(zhuang)(zhuang)，且提前(qian)與青島(dao)天正華意(yi)電(dian)(dian)(dian)氣設(she)備有(you)限公司客服中心聯系。送(song)修(xiu)時(shi)，請(qing)務必(bi)將電(dian)(dian)(dian)源(yuan)(yuan)線(xian)(xian)(xian)(xian)和測(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)等全部附件(jian)一起送(song)回，并請(qing)注(zhu)(zhu)明故(gu)障現(xian)象。另外，請(qing)在包(bao)(bao)裝(zhuang)(zhuang)上(shang)注(zhu)(zhu)明“易(yi)碎品(pin)，請(qing)小心搬運”等字樣。如果無法找到原(yuan)始包(bao)(bao)裝(zhuang)(zhuang)材料(liao)來包(bao)(bao)裝(zhuang)(zhuang)，請(qing)按(an)照下列說(shuo)明來包(bao)(bao)裝(zhuang)(zhuang)：（1）先(xian)用(yong)塑料(liao)布(bu)將儀(yi)器(qi)包(bao)(bao)好(hao)，儀(yi)器(qi)置于可(ke)以(yi)承受100千克(ke)力的(de)(de)(de)木箱或(huo)多層紙箱中；（2）先(xian)用(yong)厚(hou)泡沫塑料(liao)保(bao)護儀(yi)器(qi)前(qian)面板，再用(yong)可(ke)防震(zhen)的(de)(de)(de)材料(liao)填充儀(yi)器(qi)周圍(wei)，厚(hou)度(du)大約為(wei)(wei)70-100mm。第三章 技(ji)術(shu)指標3.1 整機(ji)規格工作(zuo)電(dian)(dian)(dian)源(yuan)(yuan) AC 220V±10％，50/60HZ±5％整機(ji)空載功耗(hao) ＝3A ±(1％讀數值(zhi)＋2個字)電(dian)(dian)(dian)阻歸零 0-100 mΩ測(ce)(ce)試(shi)(shi)(shi)時(shi)間(jian)設(she)置范(fan)圍(wei) 0.0-999.9S 0＝持(chi)續輸(shu)出時(shi)間(jian)分(fen)辨率 0.1S時(shi)間(jian)精度(du) ±（0.1％設(she)定(ding)值(zhi)＋0.05s）注(zhu)(zhu)意(yi)：（1）以(yi)上(shang)各技(ji)術(shu)參(can)數為(wei)(wei)標準配(pei)(pei)置。測(ce)(ce)量(liang)(liang)精度(du)為(wei)(wei)計量(liang)(liang)精度(du)，計量(liang)(liang)時(shi)需滿足計量(liang)(liang)條件(jian)且不加測(ce)(ce)試(shi)(shi)(shi)盒等輔助配(pei)(pei)件(jian)。（2）以(yi)上(shang)測(ce)(ce)試(shi)(shi)(shi)項(xiang)目可(ke)根(gen)據用(yong)戶需要進行配(pei)(pei)置，不同(tong)型號規格儀(yi)表測(ce)(ce)試(shi)(shi)(shi)功能(neng)會有(you)差異。（3）用(yong)戶的(de)(de)(de)特殊要求參(can)考雙方簽署的(de)(de)(de)技(ji)術(shu)協議，本(ben)用(yong)戶手冊不作(zuo)修(xiu)改。

<昆明>天正華意電氣設備有限公司
多功能接地電阻測試儀現貨價格 <昆明>天正華意電氣設備有限公司

昆(kun)明(ming)接(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)測(ce)(ce)試(shi)(shi)(shi)(shi)儀(yi)(yi)測(ce)(ce)試(shi)(shi)(shi)(shi)儀(yi)(yi)接(jie)(jie)(jie)(jie)地(di)(di)(di)注意：在接(jie)(jie)(jie)(jie)上(shang)工(gong)作電(dian)(dian)(dian)(dian)(dian)源之前，必(bi)(bi)須保(bao)(bao)證(zheng)本(ben)測(ce)(ce)試(shi)(shi)(shi)(shi)儀(yi)(yi)已經良好接(jie)(jie)(jie)(jie)地(di)(di)(di)。本(ben)系列(lie)測(ce)(ce)試(shi)(shi)(shi)(shi)儀(yi)(yi)有兩(liang)種接(jie)(jie)(jie)(jie)地(di)(di)(di)方式：(1)、電(dian)(dian)(dian)(dian)(dian)源線(xian)接(jie)(jie)(jie)(jie)地(di)(di)(di)：本(ben)機使用(yong)(yong)三芯電(dian)(dian)(dian)(dian)(dian)源線(xian)，當電(dian)(dian)(dian)(dian)(dian)源線(xian)插(cha)到(dao)具有地(di)(di)(di)線(xian)的(de)插(cha)座時，即完(wan)成機殼接(jie)(jie)(jie)(jie)地(di)(di)(di)。(2)、通(tong)過(guo)后面(mian)板上(shang)的(de)接(jie)(jie)(jie)(jie)線(xian)端子接(jie)(jie)(jie)(jie)地(di)(di)(di)：通(tong)過(guo)測(ce)(ce)試(shi)(shi)(shi)(shi)儀(yi)(yi)隔離電(dian)(dian)(dian)(dian)(dian)源輸(shu)入板上(shang)的(de)接(jie)(jie)(jie)(jie)地(di)(di)(di)端子接(jie)(jie)(jie)(jie)地(di)(di)(di)，2.5 操作、存(cun)(cun)儲、運輸(shu)環境操作環境溫度(du)：0～40℃ 操作相對濕度(du)：20～80％RH 40℃存(cun)(cun)儲環境溫度(du)：-40℃到(dao)55℃； 存(cun)(cun)儲相對濕度(du)：20～80％RH 40℃請保(bao)(bao)留所有的(de)原始包裝(zhuang)材(cai)(cai)料(liao)(liao)(liao)(liao)，如果儀(yi)(yi)器(qi)返回維修，請用(yong)(yong)原始包裝(zhuang)材(cai)(cai)料(liao)(liao)(liao)(liao)包裝(zhuang)，且提前與青島天(tian)正華意電(dian)(dian)(dian)(dian)(dian)氣設備有限公司客服中心(xin)聯系。送修時，請務必(bi)(bi)將電(dian)(dian)(dian)(dian)(dian)源線(xian)和測(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)等全部(bu)附件一起送回，并請注明(ming)故障現(xian)象(xiang)。另(ling)外，請在包裝(zhuang)上(shang)注明(ming)“易碎品(pin)，請小心(xin)搬運”等字(zi)樣。如果無法(fa)找到(dao)原始包裝(zhuang)材(cai)(cai)料(liao)(liao)(liao)(liao)來包裝(zhuang)，請按照下列(lie)說明(ming)來包裝(zhuang)：（1）先(xian)用(yong)(yong)塑料(liao)(liao)(liao)(liao)布將儀(yi)(yi)器(qi)包好，儀(yi)(yi)器(qi)置(zhi)于可以(yi)(yi)(yi)承受100千克(ke)力的(de)木(mu)箱(xiang)或多層紙箱(xiang)中；（2）先(xian)用(yong)(yong)厚泡沫塑料(liao)(liao)(liao)(liao)保(bao)(bao)護儀(yi)(yi)器(qi)前面(mian)板，再用(yong)(yong)可防震的(de)材(cai)(cai)料(liao)(liao)(liao)(liao)填充(chong)儀(yi)(yi)器(qi)周(zhou)圍(wei)(wei)，厚度(du)大約為70-100mm。第三章 技術(shu)指標3.1 整機規格(ge)工(gong)作電(dian)(dian)(dian)(dian)(dian)源 AC 220V±10％，50/60HZ±5％整機空載功(gong)耗 ＝3A ±(1％讀(du)數值(zhi)＋2個(ge)字(zi))電(dian)(dian)(dian)(dian)(dian)阻(zu)歸零 0-100 mΩ測(ce)(ce)試(shi)(shi)(shi)(shi)時間設置(zhi)范圍(wei)(wei) 0.0-999.9S 0＝持續輸(shu)出時間分辨率(lv) 0.1S時間精(jing)度(du) ±（0.1％設定值(zhi)＋0.05s）注意：（1）以(yi)(yi)(yi)上(shang)各技術(shu)參數為標準配(pei)(pei)置(zhi)。測(ce)(ce)量精(jing)度(du)為計量精(jing)度(du)，計量時需滿足計量條件且不加測(ce)(ce)試(shi)(shi)(shi)(shi)盒(he)等輔(fu)助配(pei)(pei)件。（2）以(yi)(yi)(yi)上(shang)測(ce)(ce)試(shi)(shi)(shi)(shi)項目(mu)可根據用(yong)(yong)戶需要(yao)進行配(pei)(pei)置(zhi)，不同(tong)型號規格(ge)儀(yi)(yi)表測(ce)(ce)試(shi)(shi)(shi)(shi)功(gong)能(neng)會有差異(yi)。（3）用(yong)(yong)戶的(de)特殊要(yao)求參考雙方簽署的(de)技術(shu)協議，本(ben)用(yong)(yong)戶手冊不作修改。

昆明(ming)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)校驗(yan)(yan)為了提高現場測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)精密(mi)性(xing)、穩定性(xing)，避免因測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)長(chang)(chang)時間使(shi)用(yong)(yong)線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)變(bian)化引起(qi)的(de)(de)(de)(de)誤差；避免因測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)未(wei)完全插入(ru)儀表接(jie)(jie)(jie)(jie)(jie)口(kou)或接(jie)(jie)(jie)(jie)(jie)觸不良引起(qi)的(de)(de)(de)(de)誤差；避免因用(yong)(yong)戶更換或加(jia)(jia)長(chang)(chang)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)引起(qi)的(de)(de)(de)(de)誤差等，特設計(ji)了線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)校驗(yan)(yan)功能(neng)(neng)(neng)，對(dui)(dui)于“30Ω”檔(dang)的(de)(de)(de)(de)低(di)值(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)更加(jia)(jia)。連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)好(hao)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)與(yu)(yu)儀表后，將所有(you)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)的(de)(de)(de)(de)另(ling)一(yi)端短接(jie)(jie)(jie)(jie)(jie)，如(ru)下(xia)(xia)(xia)圖(tu)，將 FUNCTION功能(neng)(neng)(neng)轉(zhuan)換旋(xuan)鈕切換至(zhi)對(dui)(dui)應的(de)(de)(de)(de)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)檔(dang)位(wei)，按“TEST”鍵開始校驗(yan)(yan)，校驗(yan)(yan)中(zhong)(zhong) LED 指(zhi)示(shi)燈閃爍，LCD 倒(dao)計(ji)數(shu)顯(xian)示(shi)，校驗(yan)(yan)完畢 LCD 顯(xian)示(shi)線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)并(bing)將該值(zhi)(zhi)存儲(chu)，在本次開機接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)中(zhong)(zhong)會自動扣除校驗(yan)(yan)的(de)(de)(de)(de)線(xian)(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)。關機不保存校驗(yan)(yan)線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)，下(xia)(xia)(xia)次開機，需要(yao)重新校驗(yan)(yan)。三線(xian)(xian)(xian)(xian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)在測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)時，先(xian)(xian)確認接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)線(xian)(xian)(xian)(xian)的(de)(de)(de)(de)對(dui)(dui)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓值(zhi)(zhi)，即C(H)與(yu)(yu)E或P(S)與(yu)(yu)E的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓值(zhi)(zhi)必須在20V以下(xia)(xia)(xia)，若對(dui)(dui)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓在5V以上(shang)，此時接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)可能(neng)(neng)(neng)會產生誤差，此時先(xian)(xian)將被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)體(ti)(ti)的(de)(de)(de)(de)設備斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，使(shi)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓下(xia)(xia)(xia)降后再進行接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)。三線(xian)(xian)(xian)(xian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)：如(ru)下(xia)(xia)(xia)圖(tu)，從(cong)被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)物體(ti)(ti)起(qi)，分別將P(S)、C(H)輔(fu)助(zhu)(zhu)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)棒呈一(yi)條直(zhi)線(xian)(xian)(xian)(xian)深(shen)埋入(ru)大(da)地(di)(di)(di)(di)(di)(di)，將接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)(綠、黃、紅(hong))從(cong)儀表的(de)(de)(de)(de)E、P(S)、C(H)接(jie)(jie)(jie)(jie)(jie)口(kou)對(dui)(dui)應連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)到被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)極(ji)E、輔(fu)助(zhu)(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓極(ji)P(S)、輔(fu)助(zhu)(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)極(ji)C(H)上(shang)。連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)好(hao)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)后，先(xian)(xian)將FUNCTION功能(neng)(neng)(neng)選(xuan)擇旋(xuan)鈕旋(xuan)至(zhi)“REARTH ”位(wei)置(zhi)，進入(ru)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)模式(shi)，按一(yi)下(xia)(xia)(xia)“TEST”鍵開始測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)，測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)過程中(zhong)(zhong)有(you)倒(dao)計(ji)數(shu)指(zhi)示(shi)及測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)進度(du)(du)棒圖(tu)指(zhi)示(shi)，測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)完畢后顯(xian)示(shi)穩定的(de)(de)(de)(de)數(shu)據(ju)，即被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)體(ti)(ti)的(de)(de)(de)(de)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)值(zhi)(zhi)R。被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)體(ti)(ti)E到電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)極(ji)C(H)之(zhi)間的(de)(de)(de)(de)距(ju)離(li)，應至(zhi)少是(shi)被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)體(ti)(ti)埋入(ru)地(di)(di)(di)(di)(di)(di)下(xia)(xia)(xia)深(shen)度(du)(du)(h)的(de)(de)(de)(de)5倍，或者是(shi)被(bei)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)體(ti)(ti)埋入(ru)地(di)(di)(di)(di)(di)(di)下(xia)(xia)(xia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)長(chang)(chang)度(du)(du)(d)的(de)(de)(de)(de)5倍。測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)復(fu)雜接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)系統的(de)(de)(de)(de)總接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)，其d的(de)(de)(de)(de)距(ju)離(li)為該接(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)系統對(dui)(dui)角線(xian)(xian)(xian)(xian)的(de)(de)(de)(de)距(ju)離(li)。測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)時，測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)線(xian)(xian)(xian)(xian)不能(neng)(neng)(neng)相互纏繞在一(yi)起(qi)，否則可能(neng)(neng)(neng)影響測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)精度(du)(du)。

<昆明>天正華意電氣設備有限公司 多功能接地電阻測試儀現貨價格
<昆明>天正華意電氣設備有限公司

昆明(ming)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)儀(yi)(yi)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)校(xiao)驗(yan)(yan)(yan)(yan)為了(le)提高現場測(ce)(ce)(ce)量接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)(de)精密(mi)性、穩定性，避免(mian)(mian)因測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)(xian)(xian)(xian)長(chang)(chang)時(shi)(shi)(shi)間(jian)使用線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)變(bian)化引(yin)起的(de)(de)(de)(de)(de)誤(wu)差(cha)；避免(mian)(mian)因測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)(xian)(xian)(xian)未完全插入(ru)(ru)儀(yi)(yi)表(biao)(biao)接(jie)(jie)(jie)(jie)(jie)(jie)口或接(jie)(jie)(jie)(jie)(jie)(jie)觸不(bu)良引(yin)起的(de)(de)(de)(de)(de)誤(wu)差(cha)；避免(mian)(mian)因用戶更換(huan)或加長(chang)(chang)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)(xian)(xian)(xian)引(yin)起的(de)(de)(de)(de)(de)誤(wu)差(cha)等，特設計了(le)線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)校(xiao)驗(yan)(yan)(yan)(yan)功能(neng)，對(dui)(dui)于“30Ω”檔(dang)的(de)(de)(de)(de)(de)低值電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)量更加。連接(jie)(jie)(jie)(jie)(jie)(jie)好(hao)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)(xian)(xian)(xian)與儀(yi)(yi)表(biao)(biao)后(hou)，將(jiang)(jiang)所有測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)(xian)(xian)(xian)的(de)(de)(de)(de)(de)另(ling)一(yi)端短(duan)接(jie)(jie)(jie)(jie)(jie)(jie)，如下(xia)圖(tu)，將(jiang)(jiang) FUNCTION功能(neng)轉換(huan)旋鈕(niu)(niu)切(qie)換(huan)至(zhi)對(dui)(dui)應(ying)的(de)(de)(de)(de)(de)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)量檔(dang)位(wei)(wei)，按“TEST”鍵開(kai)始校(xiao)驗(yan)(yan)(yan)(yan)，校(xiao)驗(yan)(yan)(yan)(yan)中 LED 指示(shi)(shi)(shi)燈(deng)閃爍，LCD 倒計數(shu)顯(xian)示(shi)(shi)(shi)，校(xiao)驗(yan)(yan)(yan)(yan)完畢 LCD 顯(xian)示(shi)(shi)(shi)線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值并(bing)將(jiang)(jiang)該值存(cun)(cun)儲，在(zai)本次開(kai)機(ji)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)量中會自動(dong)扣除校(xiao)驗(yan)(yan)(yan)(yan)的(de)(de)(de)(de)(de)線(xian)(xian)(xian)(xian)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值。關機(ji)不(bu)保存(cun)(cun)校(xiao)驗(yan)(yan)(yan)(yan)線(xian)(xian)(xian)(xian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值，下(xia)次開(kai)機(ji)，需(xu)要重新校(xiao)驗(yan)(yan)(yan)(yan)。三線(xian)(xian)(xian)(xian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)在(zai)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)時(shi)(shi)(shi)，先(xian)確認接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)線(xian)(xian)(xian)(xian)的(de)(de)(de)(de)(de)對(dui)(dui)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)壓值，即(ji)(ji)C(H)與E或P(S)與E的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)壓值必須在(zai)20V以下(xia)，若對(dui)(dui)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)壓在(zai)5V以上，此時(shi)(shi)(shi)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)的(de)(de)(de)(de)(de)測(ce)(ce)(ce)量可能(neng)會產生誤(wu)差(cha)，此時(shi)(shi)(shi)先(xian)將(jiang)(jiang)被(bei)(bei)測(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)體(ti)(ti)的(de)(de)(de)(de)(de)設備斷電(dian)(dian)(dian)(dian)(dian)，使接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)壓下(xia)降后(hou)再進(jin)行(xing)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)。三線(xian)(xian)(xian)(xian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)：如下(xia)圖(tu)，從被(bei)(bei)測(ce)(ce)(ce)物體(ti)(ti)起，分(fen)別將(jiang)(jiang)P(S)、C(H)輔助(zhu)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)棒(bang)呈一(yi)條直線(xian)(xian)(xian)(xian)深埋(mai)入(ru)(ru)大地(di)(di)(di)，將(jiang)(jiang)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)(xian)(xian)(xian)(綠(lv)、黃、紅)從儀(yi)(yi)表(biao)(biao)的(de)(de)(de)(de)(de)E、P(S)、C(H)接(jie)(jie)(jie)(jie)(jie)(jie)口對(dui)(dui)應(ying)連接(jie)(jie)(jie)(jie)(jie)(jie)到被(bei)(bei)測(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)極(ji)E、輔助(zhu)電(dian)(dian)(dian)(dian)(dian)壓極(ji)P(S)、輔助(zhu)電(dian)(dian)(dian)(dian)(dian)流(liu)極(ji)C(H)上。連接(jie)(jie)(jie)(jie)(jie)(jie)好(hao)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)(xian)(xian)(xian)后(hou)，先(xian)將(jiang)(jiang)FUNCTION功能(neng)選擇旋鈕(niu)(niu)旋至(zhi)“REARTH ”位(wei)(wei)置，進(jin)入(ru)(ru)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)模式，按一(yi)下(xia)“TEST”鍵開(kai)始測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)，測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)過程中有倒計數(shu)指示(shi)(shi)(shi)及測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)進(jin)度(du)棒(bang)圖(tu)指示(shi)(shi)(shi)，測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)完畢后(hou)顯(xian)示(shi)(shi)(shi)穩定的(de)(de)(de)(de)(de)數(shu)據，即(ji)(ji)被(bei)(bei)測(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)體(ti)(ti)的(de)(de)(de)(de)(de)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)值R。被(bei)(bei)測(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)體(ti)(ti)E到電(dian)(dian)(dian)(dian)(dian)流(liu)極(ji)C(H)之間(jian)的(de)(de)(de)(de)(de)距離(li)，應(ying)至(zhi)少是被(bei)(bei)測(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)體(ti)(ti)埋(mai)入(ru)(ru)地(di)(di)(di)下(xia)深度(du)(h)的(de)(de)(de)(de)(de)5倍，或者是被(bei)(bei)測(ce)(ce)(ce)接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)體(ti)(ti)埋(mai)入(ru)(ru)地(di)(di)(di)下(xia)電(dian)(dian)(dian)(dian)(dian)極(ji)長(chang)(chang)度(du)(d)的(de)(de)(de)(de)(de)5倍。測(ce)(ce)(ce)量復雜接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)系統的(de)(de)(de)(de)(de)總接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)(zu)，其d的(de)(de)(de)(de)(de)距離(li)為該接(jie)(jie)(jie)(jie)(jie)(jie)地(di)(di)(di)系統對(dui)(dui)角線(xian)(xian)(xian)(xian)的(de)(de)(de)(de)(de)距離(li)。測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)時(shi)(shi)(shi)，測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)線(xian)(xian)(xian)(xian)不(bu)能(neng)相(xiang)互纏繞在(zai)一(yi)起，否則可能(neng)影(ying)響測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)精度(du)。

多功能接地電阻測試儀現貨價格

昆明接地電(dian)(dian)(dian)(dian)(dian)阻(zu)測(ce)(ce)試儀(yi) 測(ce)(ce)量原理1. 接地電(dian)(dian)(dian)(dian)(dian)壓測(ce)(ce)量采用平(ping)均值(zhi)(zhi)整流(liu)法。2. 接地電(dian)(dian)(dian)(dian)(dian)阻(zu)值(zhi)(zhi)測(ce)(ce)量采用額(e)定(ding)電(dian)(dian)(dian)(dian)(dian)流(liu)變(bian)(bian)極(ji)法(適合(he)準確測(ce)(ce)量單(dan)點(dian)接地系統)，即在(zai)(zai)測(ce)(ce)量對(dui)象E接地極(ji)和C(H)電(dian)(dian)(dian)(dian)(dian)流(liu)極(ji)之(zhi)間流(liu)動(dong)(dong)交流(liu)額(e)定(ding)電(dian)(dian)(dian)(dian)(dian)流(liu)I，求取(qu)E接地極(ji)和P(S)電(dian)(dian)(dian)(dian)(dian)壓極(ji)的(de)電(dian)(dian)(dian)(dian)(dian)位(wei)差V，并根據(ju)(ju)公式(shi)R＝V/I計(ji)算(suan)(suan)接地電(dian)(dian)(dian)(dian)(dian)阻(zu)值(zhi)(zhi)R。3. 以(yi)上幾種方法中其工(gong)作(zuo)誤(wu)(wu)差(B)是額(e)定(ding)工(gong)作(zuo)條(tiao)件(jian)內所(suo)得誤(wu)(wu)差，由使用儀(yi)表(biao)(biao)存(cun)在(zai)(zai)的(de)固(gu)有(you)誤(wu)(wu)差(A)和變(bian)(bian)動(dong)(dong)誤(wu)(wu)差(Ei)計(ji)算(suan)(suan)得出(chu)。A： 固(gu)有(you)誤(wu)(wu)差E2：電(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)壓變(bian)(bian)化產(chan)生(sheng)(sheng)的(de)變(bian)(bian)動(dong)(dong)E3：溫(wen)度變(bian)(bian)化產(chan)生(sheng)(sheng)的(de)變(bian)(bian)動(dong)(dong) E4：干擾(rao)電(dian)(dian)(dian)(dian)(dian)壓變(bian)(bian)化產(chan)生(sheng)(sheng)的(de)變(bian)(bian)動(dong)(dong)E5：接觸電(dian)(dian)(dian)(dian)(dian)極(ji)電(dian)(dian)(dian)(dian)(dian)阻(zu)產(chan)生(sheng)(sheng)的(de)變(bian)(bian)動(dong)(dong)六. 操作(zuo)1．基本操作(zuo)旋轉(zhuan)FUNCTION功(gong)(gong)(gong)(gong)(gong)能(neng)旋鈕實現開(kai)(kai)(kai)關機(ji)，旋鈕指示(shi)(shi)“OFF”位(wei)置(zhi)關機(ji)。開(kai)(kai)(kai)機(ji)后，如(ru)果LCD顯(xian)示(shi)(shi)電(dian)(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)(dian)壓低符號(hao)，表(biao)(biao)示(shi)(shi)電(dian)(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)(dian)量不(bu)足，請(qing)(qing)依照說明給電(dian)(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)(dian)力(li)充足才(cai)能(neng)保(bao)證(zheng)測(ce)(ce)量的(de)精度。開(kai)(kai)(kai)機(ji)后，按(an)(an)(an)”鍵(jian)(jian)(jian)(jian)(jian)可(ke)以(yi)開(kai)(kai)(kai)啟(qi)或(huo)關閉背光，背光功(gong)(gong)(gong)(gong)(gong)能(neng)適合(he)于(yu)昏暗場(chang)所(suo)。每次(ci)開(kai)(kai)(kai)機(ji)默認背光關閉。開(kai)(kai)(kai)機(ji)后，將FUNCTION功(gong)(gong)(gong)(gong)(gong)能(neng)選(xuan)擇旋鈕旋至相應的(de)位(wei)置(zhi)短(duan)按(an)(an)(an)“AL”鍵(jian)(jian)(jian)(jian)(jian)可(ke)以(yi)開(kai)(kai)(kai)啟(qi)或(huo)關閉報(bao)(bao)警(jing)功(gong)(gong)(gong)(gong)(gong)能(neng)，長按(an)(an)(an)“AL”鍵(jian)(jian)(jian)(jian)(jian)(約3秒(miao))進(jin)入(ru)報(bao)(bao)警(jing)臨界(jie)值(zhi)(zhi)設(she)定(ding)，按(an)(an)(an)或(huo)”鍵(jian)(jian)(jian)(jian)(jian)改變(bian)(bian)當(dang)(dang)前數(shu)(shu)(shu)(shu)(shu)(shu)字大(da)小，短(duan)按(an)(an)(an)“SET”鍵(jian)(jian)(jian)(jian)(jian)移動(dong)(dong)光標，短(duan)按(an)(an)(an)“AL”鍵(jian)(jian)(jian)(jian)(jian)保(bao)存(cun)退(tui)出(chu)。當(dang)(dang)測(ce)(ce)量值(zhi)(zhi)大(da)于(yu)報(bao)(bao)警(jing)臨界(jie)設(she)定(ding)值(zhi)(zhi)并已(yi)開(kai)(kai)(kai)啟(qi)報(bao)(bao)警(jing)功(gong)(gong)(gong)(gong)(gong)能(neng)，儀(yi)表(biao)(biao)將閃爍將顯(xian)示(shi)(shi)“ ”符號(hao)，并發出(chu)“嘟(du)--嘟(du)--嘟(du)--”報(bao)(bao)警(jing)聲。在(zai)(zai)測(ce)(ce)試模式(shi)下(xia)，短(duan)按(an)(an)(an)“MEM”鍵(jian)(jian)(jian)(jian)(jian)鎖定(ding)當(dang)(dang)前顯(xian)示(shi)(shi)數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)，顯(xian)示(shi)(shi)“HOLD”、“鎖定(ding)。在(zai)(zai)測(ce)(ce)試模式(shi)下(xia)，短(duan)按(an)(an)(an)“SET”可(ke)選(xuan)擇顯(xian)示(shi)(shi)平(ping)均值(zhi)(zhi)、值(zhi)(zhi)、小值(zhi)(zhi)，顯(xian)示(shi)(shi):”符號(hao)。在(zai)(zai)測(ce)(ce)試模式(shi)下(xia)，長按(an)(an)(an)“MEM”鍵(jian)(jian)(jian)(jian)(jian)(超過3秒(miao))進(jin)入(ru)數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)查(cha)(cha)(cha)閱，按(an)(an)(an)“”鍵(jian)(jian)(jian)(jian)(jian)以(yi)步(bu)進(jin)值(zhi)(zhi)為(wei)1選(xuan)擇查(cha)(cha)(cha)閱數(shu)(shu)(shu)(shu)(shu)(shu)組(zu)號(hao)，當(dang)(dang)前組(zu)數(shu)(shu)(shu)(shu)(shu)(shu)為(wei)接地電(dian)(dian)(dian)(dian)(dian)阻(zu)數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)，再按(an)(an)(an)“MEM”鍵(jian)(jian)(jian)(jian)(jian)退(tui)出(chu)查(cha)(cha)(cha)閱。查(cha)(cha)(cha)閱時若無存(cun)儲數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)，LCD顯(xian)示(shi)(shi)“- - - -”，見上右圖。在(zai)(zai)數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)查(cha)(cha)(cha)閱狀(zhuang)(zhuang)態(tai)下(xia)，按(an)(an)(an)“CLR”鍵(jian)(jian)(jian)(jian)(jian)進(jin)入(ru)數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)刪除(chu)，按(an)(an)(an) ”鍵(jian)(jian)(jian)(jian)(jian)選(xuan)擇“no”或(huo)“yES”， 選(xuan)“no”再按(an)(an)(an)“MEM”鍵(jian)(jian)(jian)(jian)(jian)不(bu)刪除(chu)并返回數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)查(cha)(cha)(cha)閱狀(zhuang)(zhuang)態(tai)，選(xuan)“yES”再按(an)(an)(an)“CLR”鍵(jian)(jian)(jian)(jian)(jian)刪除(chu)所(suo)存(cun)數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)，刪除(chu)后LCD顯(xian)示(shi)(shi)“----”。數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)刪除(chu)功(gong)(gong)(gong)(gong)(gong)能(neng)是一次(ci)性刪除(chu)所(suo)有(you)存(cun)儲數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)，刪除(chu)后不(bu)能(neng)再恢復(fu)，請(qing)(qing)謹慎(shen)操作(zuo)。儀(yi)表(biao)(biao)所(suo)存(cun)數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)可(ke)以(yi)上傳(chuan)(chuan)電(dian)(dian)(dian)(dian)(dian)腦。連接好電(dian)(dian)(dian)(dian)(dian)腦與儀(yi)表(biao)(biao)的(de)RS232通訊線，儀(yi)表(biao)(biao)開(kai)(kai)(kai)機(ji)，運行數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)軟件(jian)，若軟件(jian)顯(xian)示(shi)(shi)串(chuan)口打(da)開(kai)(kai)(kai)并連接成功(gong)(gong)(gong)(gong)(gong)，即可(ke)以(yi)讀取(qu)存(cun)儲的(de)歷史數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)，上傳(chuan)(chuan)電(dian)(dian)(dian)(dian)(dian)腦并保(bao)存(cun)。數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)軟件(jian)具有(you)歷史數(shu)(shu)(shu)(shu)(shu)(shu)據(ju)(ju)讀取(qu)、查(cha)(cha)(cha)閱、保(bao)存(cun)、打(da)印等功(gong)(gong)(gong)(gong)(gong)能(neng)。

<昆明>天正華意電氣設備有限公司 多功能接地電阻測試儀現貨價格

昆明接(jie)地(di)電(dian)(dian)阻測(ce)(ce)試(shi)(shi)儀 特(te)別是(shi)大(da)(da)型(xing)接(jie)地(di)網的(de)(de)(de)接(jie)地(di)阻抗一般很小(xiao)（一般在0.5Ω以(yi)下(xia)），干(gan)(gan)(gan)擾(rao)(rao)(rao)帶來(lai)(lai)(lai)的(de)(de)(de)相對誤(wu)差更大(da)(da)。為了(le)降低現(xian)場干(gan)(gan)(gan)擾(rao)(rao)(rao)的(de)(de)(de)影響，目前采(cai)用(yong)的(de)(de)(de)方(fang)法(fa)(fa)主(zhu)要(yao)(yao)有兩種，一種是(shi)增大(da)(da)測(ce)(ce)試(shi)(shi)電(dian)(dian)流(liu)(liu)(liu)，一種是(shi)使(shi)用(yong)異頻(pin)(pin)(pin)法(fa)(fa)。種方(fang)法(fa)(fa)是(shi)通過(guo)(guo)(guo)加大(da)(da)測(ce)(ce)試(shi)(shi)電(dian)(dian)流(liu)(liu)(liu)來(lai)(lai)(lai)加大(da)(da)信(xin)號(hao)(hao)電(dian)(dian)壓和信(xin)號(hao)(hao)電(dian)(dian)流(liu)(liu)(liu)，從(cong)而(er)提(ti)(ti)高信(xin)噪(zao)比(bi)，減(jian)小(xiao)測(ce)(ce)量誤(wu)差。這(zhe)種方(fang)法(fa)(fa)由(you)于(yu)(yu)采(cai)用(yong)了(le)很大(da)(da)的(de)(de)(de)測(ce)(ce)試(shi)(shi)電(dian)(dian)流(liu)(liu)(liu)（DL/T475-2006標準(zhun)不宜小(xiao)于(yu)(yu)50A），使(shi)得設(she)備非常笨重，且布線勞動強(qiang)度(du)很大(da)(da)，耗時(shi)耗力(li)。而(er)且，由(you)于(yu)(yu)主(zhu)要(yao)(yao)干(gan)(gan)(gan)擾(rao)(rao)(rao)與(yu)信(xin)號(hao)(hao)同頻(pin)(pin)(pin)，無法(fa)(fa)從(cong)根本上干(gan)(gan)(gan)擾(rao)(rao)(rao)的(de)(de)(de)影響，為解決(jue)該問(wen)題，山(shan)(shan)東(dong)省(sheng)電(dian)(dian)力(li)工業局文件（魯(lu)電(dian)(dian)科[1997]111號(hao)(hao)）“關(guan)于(yu)(yu)下(xia)達1997年科技(ji)攻關(guan)、開(kai)(kai)發及(ji)科技(ji)成果推廣計(ji)(ji)劃的(de)(de)(de)通知(zhi)”第(di)38項(xiang)下(xia)達了(le)“運行(xing)中(zhong)大(da)(da)型(xing)變電(dian)(dian)站接(jie)地(di)網接(jie)地(di)電(dian)(dian)阻測(ce)(ce)試(shi)(shi)與(yu)研究(jiu)”攻關(guan)計(ji)(ji)劃，與(yu)華中(zhong)理工大(da)(da)學聯(lian)合攻關(guan)，解決(jue)了(le)工頻(pin)(pin)(pin)流(liu)(liu)(liu)入(ru)地(di)網電(dian)(dian)流(liu)(liu)(liu)干(gan)(gan)(gan)擾(rao)(rao)(rao)及(ji)測(ce)(ce)試(shi)(shi)引線線間的(de)(de)(de)干(gan)(gan)(gan)擾(rao)(rao)(rao)問(wen)題。該研究(jiu)成果獲(huo)得了(le)華中(zhong)電(dian)(dian)網集團科技(ji)進(jin)步(bu)二等獎(jiang)，山(shan)(shan)東(dong)省(sheng)電(dian)(dian)力(li)公司(si)科技(ji)進(jin)步(bu)二等獎(jiang)。異頻(pin)(pin)(pin)法(fa)(fa)則是(shi)通過(guo)(guo)(guo)改(gai)變測(ce)(ce)試(shi)(shi)電(dian)(dian)流(liu)(liu)(liu)的(de)(de)(de)頻(pin)(pin)(pin)率(lv)來(lai)(lai)(lai)避(bi)開(kai)(kai)工頻(pin)(pin)(pin)干(gan)(gan)(gan)擾(rao)(rao)(rao)，由(you)于(yu)(yu)信(xin)號(hao)(hao)頻(pin)(pin)(pin)率(lv)與(yu)干(gan)(gan)(gan)擾(rao)(rao)(rao)頻(pin)(pin)(pin)率(lv)不同，就可(ke)以(yi)通過(guo)(guo)(guo)濾波器來(lai)(lai)(lai)濾除干(gan)(gan)(gan)擾(rao)(rao)(rao)的(de)(de)(de)影響，從(cong)而(er)提(ti)(ti)高測(ce)(ce)量精度(du)。異頻(pin)(pin)(pin)法(fa)(fa)由(you)于(yu)(yu)采(cai)用(yong)的(de)(de)(de)測(ce)(ce)試(shi)(shi)電(dian)(dian)流(liu)(liu)(liu)較小(xiao)，因此(ci)設(she)備小(xiao)巧，布線勞動強(qiang)度(du)也大(da)(da)大(da)(da)減(jian)輕。由(you)于(yu)(yu)具有測(ce)(ce)試(shi)(shi)結果穩定可(ke)靠和省(sheng)時(shi)省(sheng)力(li)的(de)(de)(de)優點，異頻(pin)(pin)(pin)法(fa)(fa)測(ce)(ce)試(shi)(shi)已被國(guo)內外(wai)專家廣泛接(jie)受和采(cai)用(yong)。

<昆明>天正華意電氣設備有限公司 多功能接地電阻測試儀現貨價格

昆明接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)儀(yi)(yi)(yi)本(ben)儀(yi)(yi)(yi)器(qi)適用于測(ce)(ce)(ce)(ce)試(shi)(shi)各類接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)裝(zhuang)置(zhi)(zhi)的(de)(de)工(gong)(gong)頻(pin)(pin)(pin)接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)阻(zu)(zu)(zu)(zu)抗(kang)、接(jie)(jie)(jie)觸電(dian)(dian)(dian)(dian)(dian)壓、跨(kua)步電(dian)(dian)(dian)(dian)(dian)壓、轉移電(dian)(dian)(dian)(dian)(dian)位(wei)(wei)、場(chang)區地(di)(di)(di)(di)(di)(di)(di)(di)表電(dian)(dian)(dian)(dian)(dian)位(wei)(wei)梯度等工(gong)(gong)頻(pin)(pin)(pin)特性(xing)參(can)數以(yi)(yi)及(ji)土壤(rang)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)。本(ben)儀(yi)(yi)(yi)器(qi)采用異頻(pin)(pin)(pin)抗(kang)干(gan)(gan)擾(rao)技(ji)術(shu)，能(neng)在(zai)強(qiang)干(gan)(gan)擾(rao)環境下準確測(ce)(ce)(ce)(ce)得工(gong)(gong)頻(pin)(pin)(pin)50Hz下的(de)(de)數據。測(ce)(ce)(ce)(ce)試(shi)(shi)電(dian)(dian)(dian)(dian)(dian)流較小（0～3.0A），不(bu)會引起(qi)測(ce)(ce)(ce)(ce)試(shi)(shi)時(shi)(shi)接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)裝(zhuang)置(zhi)(zhi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)位(wei)(wei)過高，同時(shi)(shi)它還具有極強(qiang)的(de)(de)抗(kang)干(gan)(gan)擾(rao)能(neng)力(li)，故可以(yi)(yi)在(zai)不(bu)停電(dian)(dian)(dian)(dian)(dian)的(de)(de)情況下進(jin)行(xing)測(ce)(ce)(ce)(ce)量(liang)。二、概述目前國內接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)裝(zhuang)置(zhi)(zhi)的(de)(de)測(ce)(ce)(ce)(ce)試(shi)(shi)工(gong)(gong)作比(bi)較薄弱(ruo)，一些關鍵(jian)的(de)(de)技(ji)術(shu)觀念比(bi)較模糊，技(ji)術(shu)手段落(luo)后。針對(dui)上(shang)述現狀(zhuang)，我國制訂(ding)了(le)(le)行(xing)業標(biao)準DL/T475-2006和(he)標(biao)準GB/T17949.1-2000。新標(biao)準對(dui)舊標(biao)準做(zuo)了(le)(le)很多(duo)重(zhong)要改(gai)變。為了(le)(le)方便(bian)廣大現場(chang)測(ce)(ce)(ce)(ce)試(shi)(shi)和(he)研究人員，我們根據這些標(biao)準，結合我們多(duo)年研究大型地(di)(di)(di)(di)(di)(di)(di)(di)網測(ce)(ce)(ce)(ce)試(shi)(shi)的(de)(de)實際經驗，研制成功本(ben)儀(yi)(yi)(yi)器(qi)。工(gong)(gong)頻(pin)(pin)(pin)接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)阻(zu)(zu)(zu)(zu)抗(kang)，是指接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)裝(zhuang)置(zhi)(zhi)對(dui)遠方電(dian)(dian)(dian)(dian)(dian)位(wei)(wei)零點間的(de)(de)電(dian)(dian)(dian)(dian)(dian)位(wei)(wei)差與(yu)通過接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)裝(zhuang)置(zhi)(zhi)流入地(di)(di)(di)(di)(di)(di)(di)(di)中的(de)(de)工(gong)(gong)頻(pin)(pin)(pin)電(dian)(dian)(dian)(dian)(dian)流的(de)(de)比(bi)值。工(gong)(gong)頻(pin)(pin)(pin)接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)阻(zu)(zu)(zu)(zu)抗(kang)以(yi)(yi)往被(bei)習(xi)慣地(di)(di)(di)(di)(di)(di)(di)(di)稱為“工(gong)(gong)頻(pin)(pin)(pin)接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)”。此(ci)名稱的(de)(de)糾正，在(zai)標(biao)準GB/T17949.1-2000“接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)系統的(de)(de)土壤(rang)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)率(lv)，接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)阻(zu)(zu)(zu)(zu)抗(kang)和(he)地(di)(di)(di)(di)(di)(di)(di)(di)面電(dian)(dian)(dian)(dian)(dian)位(wei)(wei)測(ce)(ce)(ce)(ce)量(liang)導則部分：常規測(ce)(ce)(ce)(ce)量(liang)”以(yi)(yi)及(ji)電(dian)(dian)(dian)(dian)(dian)力(li)行(xing)業標(biao)準“接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)裝(zhuang)置(zhi)(zhi)特性(xing)參(can)數測(ce)(ce)(ce)(ce)量(liang)導則修訂(ding)稿”（取(qu)代DL475-92）中作了(le)(le)闡述。本(ben)測(ce)(ce)(ce)(ce)量(liang)儀(yi)(yi)(yi)采用交流電(dian)(dian)(dian)(dian)(dian)流進(jin)行(xing)測(ce)(ce)(ce)(ce)試(shi)(shi)，故所測(ce)(ce)(ce)(ce)數值稱為接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)阻(zu)(zu)(zu)(zu)抗(kang)，而不(bu)再沿(yan)用以(yi)(yi)往的(de)(de)稱呼“接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)”。在(zai)對(dui)接(jie)(jie)(jie)地(di)(di)(di)(di)(di)(di)(di)(di)裝(zhuang)置(zhi)(zhi)進(jin)行(xing)測(ce)(ce)(ce)(ce)量(liang)時(shi)(shi)，由(you)于受不(bu)平衡零序(xu)電(dian)(dian)(dian)(dian)(dian)流以(yi)(yi)及(ji)射頻(pin)(pin)(pin)等各種(zhong)干(gan)(gan)擾(rao)，使得測(ce)(ce)(ce)(ce)試(shi)(shi)結果產生很大的(de)(de)誤差。

昆明接(jie)(jie)(jie)地(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)測(ce)(ce)試(shi)儀 測(ce)(ce)量(liang)原理1. 接(jie)(jie)(jie)地(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)測(ce)(ce)量(liang)采(cai)用平均值整流(liu)(liu)(liu)法(fa)。2. 接(jie)(jie)(jie)地(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值測(ce)(ce)量(liang)采(cai)用額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)變(bian)(bian)極(ji)法(fa)(適合(he)準確測(ce)(ce)量(liang)單點(dian)接(jie)(jie)(jie)地(di)系統(tong))，即(ji)在測(ce)(ce)量(liang)對象E接(jie)(jie)(jie)地(di)極(ji)和(he)(he)C(H)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)極(ji)之間(jian)流(liu)(liu)(liu)動(dong)(dong)交流(liu)(liu)(liu)額定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)I，求取(qu)(qu)E接(jie)(jie)(jie)地(di)極(ji)和(he)(he)P(S)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)極(ji)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)差(cha)V，并(bing)根(gen)據(ju)(ju)(ju)(ju)公(gong)式(shi)R＝V/I計(ji)算接(jie)(jie)(jie)地(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值R。3. 以上幾種方(fang)法(fa)中其工作(zuo)誤(wu)(wu)差(cha)(B)是額定(ding)工作(zuo)條(tiao)件內所得誤(wu)(wu)差(cha)，由(you)使用儀表存(cun)在的(de)(de)(de)(de)固有(you)誤(wu)(wu)差(cha)(A)和(he)(he)變(bian)(bian)動(dong)(dong)誤(wu)(wu)差(cha)(Ei)計(ji)算得出(chu)。A： 固有(you)誤(wu)(wu)差(cha)E2：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)變(bian)(bian)化(hua)產生的(de)(de)(de)(de)變(bian)(bian)動(dong)(dong)E3：溫度變(bian)(bian)化(hua)產生的(de)(de)(de)(de)變(bian)(bian)動(dong)(dong) E4：干擾電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)變(bian)(bian)化(hua)產生的(de)(de)(de)(de)變(bian)(bian)動(dong)(dong)E5：接(jie)(jie)(jie)觸(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)產生的(de)(de)(de)(de)變(bian)(bian)動(dong)(dong)六. 操作(zuo)1．基本(ben)操作(zuo)旋(xuan)轉FUNCTION功能(neng)旋(xuan)鈕(niu)實(shi)現開(kai)關(guan)(guan)機(ji)，旋(xuan)鈕(niu)指示(shi)(shi)(shi)(shi)(shi)“OFF”位(wei)置關(guan)(guan)機(ji)。開(kai)機(ji)后，如果LCD顯(xian)示(shi)(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)低符號，表示(shi)(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)不足(zu)，請依照(zhao)說明給電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力充足(zu)才能(neng)保(bao)證測(ce)(ce)量(liang)的(de)(de)(de)(de)精度。開(kai)機(ji)后，按(an)”鍵(jian)(jian)(jian)(jian)可(ke)以開(kai)啟或(huo)關(guan)(guan)閉背光(guang)(guang)，背光(guang)(guang)功能(neng)適合(he)于昏暗場所。每次開(kai)機(ji)默認背光(guang)(guang)關(guan)(guan)閉。開(kai)機(ji)后，將(jiang)FUNCTION功能(neng)選擇(ze)旋(xuan)鈕(niu)旋(xuan)至(zhi)相(xiang)應的(de)(de)(de)(de)位(wei)置短(duan)按(an)“AL”鍵(jian)(jian)(jian)(jian)可(ke)以開(kai)啟或(huo)關(guan)(guan)閉報(bao)警(jing)功能(neng)，長按(an)“AL”鍵(jian)(jian)(jian)(jian)(約3秒)進(jin)入(ru)報(bao)警(jing)臨界(jie)值設定(ding)，按(an)或(huo)”鍵(jian)(jian)(jian)(jian)改變(bian)(bian)當(dang)前(qian)(qian)數(shu)(shu)(shu)(shu)字大小，短(duan)按(an)“SET”鍵(jian)(jian)(jian)(jian)移動(dong)(dong)光(guang)(guang)標，短(duan)按(an)“AL”鍵(jian)(jian)(jian)(jian)保(bao)存(cun)退出(chu)。當(dang)測(ce)(ce)量(liang)值大于報(bao)警(jing)臨界(jie)設定(ding)值并(bing)已(yi)開(kai)啟報(bao)警(jing)功能(neng)，儀表將(jiang)閃爍將(jiang)顯(xian)示(shi)(shi)(shi)(shi)(shi)“ ”符號，并(bing)發(fa)出(chu)“嘟--嘟--嘟--”報(bao)警(jing)聲。在測(ce)(ce)試(shi)模(mo)式(shi)下，短(duan)按(an)“MEM”鍵(jian)(jian)(jian)(jian)鎖定(ding)當(dang)前(qian)(qian)顯(xian)示(shi)(shi)(shi)(shi)(shi)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)，顯(xian)示(shi)(shi)(shi)(shi)(shi)“HOLD”、“鎖定(ding)。在測(ce)(ce)試(shi)模(mo)式(shi)下，短(duan)按(an)“SET”可(ke)選擇(ze)顯(xian)示(shi)(shi)(shi)(shi)(shi)平均值、值、小值，顯(xian)示(shi)(shi)(shi)(shi)(shi):”符號。在測(ce)(ce)試(shi)模(mo)式(shi)下，長按(an)“MEM”鍵(jian)(jian)(jian)(jian)(超過3秒)進(jin)入(ru)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)查(cha)閱，按(an)“”鍵(jian)(jian)(jian)(jian)以步(bu)進(jin)值為1選擇(ze)查(cha)閱數(shu)(shu)(shu)(shu)組(zu)號，當(dang)前(qian)(qian)組(zu)數(shu)(shu)(shu)(shu)為接(jie)(jie)(jie)地(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)，再(zai)按(an)“MEM”鍵(jian)(jian)(jian)(jian)退出(chu)查(cha)閱。查(cha)閱時若無(wu)存(cun)儲數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)，LCD顯(xian)示(shi)(shi)(shi)(shi)(shi)“- - - -”，見上右圖。在數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)查(cha)閱狀態(tai)下，按(an)“CLR”鍵(jian)(jian)(jian)(jian)進(jin)入(ru)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)刪(shan)除(chu)(chu)，按(an) ”鍵(jian)(jian)(jian)(jian)選擇(ze)“no”或(huo)“yES”， 選“no”再(zai)按(an)“MEM”鍵(jian)(jian)(jian)(jian)不刪(shan)除(chu)(chu)并(bing)返回數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)查(cha)閱狀態(tai)，選“yES”再(zai)按(an)“CLR”鍵(jian)(jian)(jian)(jian)刪(shan)除(chu)(chu)所存(cun)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)，刪(shan)除(chu)(chu)后LCD顯(xian)示(shi)(shi)(shi)(shi)(shi)“----”。數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)刪(shan)除(chu)(chu)功能(neng)是一次性刪(shan)除(chu)(chu)所有(you)存(cun)儲數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)，刪(shan)除(chu)(chu)后不能(neng)再(zai)恢(hui)復，請謹慎操作(zuo)。儀表所存(cun)數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)可(ke)以上傳電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)。連接(jie)(jie)(jie)好電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)與(yu)儀表的(de)(de)(de)(de)RS232通訊線，儀表開(kai)機(ji)，運行數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)軟件，若軟件顯(xian)示(shi)(shi)(shi)(shi)(shi)串口打(da)開(kai)并(bing)連接(jie)(jie)(jie)成(cheng)功，即(ji)可(ke)以讀(du)取(qu)(qu)存(cun)儲的(de)(de)(de)(de)歷史數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)，上傳電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)腦(nao)并(bing)保(bao)存(cun)。數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)軟件具有(you)歷史數(shu)(shu)(shu)(shu)據(ju)(ju)(ju)(ju)讀(du)取(qu)(qu)、查(cha)閱、保(bao)存(cun)、打(da)印等功能(neng)。

<昆明>天正華意電氣設備有限公司 多功能接地電阻測試儀現貨價格

昆明(ming)接地(di)(di)(di)電(dian)(dian)(dian)阻(zu)測(ce)(ce)試(shi)(shi)儀(yi)(yi)(yi)大型(xing)地(di)(di)(di)網接地(di)(di)(di)電(dian)(dian)(dian)阻(zu)測(ce)(ce)試(shi)(shi)儀(yi)(yi)(yi)一、儀(yi)(yi)(yi)器(qi)概述儀(yi)(yi)(yi)器(qi)根(gen)據(ju)(ju)《JJG984-2004接地(di)(di)(di)導通(tong)檢定規(gui)程(cheng)電(dian)(dian)(dian)阻(zu)測(ce)(ce)試(shi)(shi)儀(yi)(yi)(yi)》、《DL/T475-2006接地(di)(di)(di)裝(zhuang)置(zhi)特性(xing)參數測(ce)(ce)量(liang)(liang)(liang)導則》《DL/T845.2-2004電(dian)(dian)(dian)阻(zu)測(ce)(ce)量(liang)(liang)(liang)裝(zhuang)置(zhi)通(tong)用(yong)技(ji)術(shu)(shu)(shu)條件第(di)二(er)部分：工(gong)頻(pin)(pin)接地(di)(di)(di)電(dian)(dian)(dian)阻(zu)測(ce)(ce)試(shi)(shi)儀(yi)(yi)(yi)》生產制造大型(xing)地(di)(di)(di)網接地(di)(di)(di)電(dian)(dian)(dian)阻(zu)測(ce)(ce)試(shi)(shi)儀(yi)(yi)(yi)，是可測(ce)(ce)變(bian)(bian)電(dian)(dian)(dian)站地(di)(di)(di)網（4Ω）、水火(huo)電(dian)(dian)(dian)廠、微波(bo)站（10Ω）、避雷針（10Ω）多(duo)用(yong)機型(xing)，采(cai)用(yong)了新型(xing)變(bian)(bian)頻(pin)(pin)交流電(dian)(dian)(dian)源，并采(cai)用(yong)了微機處(chu)理控制和(he)(he)信(xin)號(hao)處(chu)理等措施(shi)，很(hen)好的(de)(de)解(jie)決了測(ce)(ce)試(shi)(shi)過(guo)程(cheng)中的(de)(de)抗(kang)(kang)(kang)(kang)干(gan)擾(rao)(rao)問題，簡化(hua)了試(shi)(shi)驗(yan)操作(zuo)(zuo)過(guo)程(cheng)，提(ti)高了測(ce)(ce)試(shi)(shi)結果的(de)(de)精度和(he)(he)準(zhun)確(que)性(xing)，大大降低了試(shi)(shi)驗(yan)人員的(de)(de)勞(lao)動(dong)(dong)強度和(he)(he)試(shi)(shi)驗(yan)成(cheng)本(ben)。本(ben)儀(yi)(yi)(yi)器(qi)適用(yong)于(yu)測(ce)(ce)試(shi)(shi)各類(lei)接地(di)(di)(di)裝(zhuang)置(zhi)的(de)(de)工(gong)頻(pin)(pin)接地(di)(di)(di)阻(zu)抗(kang)(kang)(kang)(kang)、接地(di)(di)(di)電(dian)(dian)(dian)阻(zu)、輔助機等工(gong)頻(pin)(pin)特性(xing)參數以及土(tu)壤(rang)電(dian)(dian)(dian)阻(zu)率。本(ben)儀(yi)(yi)(yi)器(qi)采(cai)用(yong)變(bian)(bian)頻(pin)(pin)抗(kang)(kang)(kang)(kang)干(gan)擾(rao)(rao)技(ji)術(shu)(shu)(shu)，能(neng)在強干(gan)擾(rao)(rao)環(huan)境(jing)下準(zhun)確(que)測(ce)(ce)得(de)工(gong)頻(pin)(pin)50Hz下的(de)(de)數據(ju)(ju)。二(er)、功能(neng)強大：1、測(ce)(ce)量(liang)(liang)(liang)接地(di)(di)(di)裝(zhuang)置(zhi)接地(di)(di)(di)阻(zu)抗(kang)(kang)(kang)(kang)或電(dian)(dian)(dian)阻(zu)2、測(ce)(ce)量(liang)(liang)(liang)接地(di)(di)(di)裝(zhuang)置(zhi)之間的(de)(de)導通(tong)阻(zu)抗(kang)(kang)(kang)(kang)或電(dian)(dian)(dian)阻(zu)3、測(ce)(ce)量(liang)(liang)(liang)土(tu)壤(rang)電(dian)(dian)(dian)阻(zu)率三、技(ji)術(shu)(shu)(shu)突破1、大型(xing)液晶顯示更清晰，操作(zuo)(zuo)非常方(fang)(fang)便，2、存儲采(cai)用(yong)鍵盤(pan)漢字輸入，方(fang)(fang)便查(cha)詢(xun)四、 性(xing)能(neng)特點1、采(cai)用(yong)自(zi)動(dong)(dong)雙(shuang)變(bian)(bian)頻(pin)(pin)先進(jin)變(bian)(bian)頻(pin)(pin)技(ji)術(shu)(shu)(shu)，用(yong)45Hz 和(he)(he)55Hz 兩種頻(pin)(pin)率進(jin)行測(ce)(ce)量(liang)(liang)(liang)，同時還有多(duo)組變(bian)(bian)頻(pin)(pin)供(gong)選(xuan)擇使(shi)用(yong)。2、抗(kang)(kang)(kang)(kang)干(gan)擾(rao)(rao)能(neng)力(li)強。采(cai)用(yong)自(zi)動(dong)(dong)變(bian)(bian)頻(pin)(pin)法測(ce)(ce)量(liang)(liang)(liang)，配合(he)現代軟硬件濾波(bo)技(ji)術(shu)(shu)(shu)，使(shi)得(de)儀(yi)(yi)(yi)器(qi)具(ju)有很(hen)高的(de)(de)抗(kang)(kang)(kang)(kang)干(gan)擾(rao)(rao)性(xing)能(neng)，測(ce)(ce)試(shi)(shi)數據(ju)(ju)穩定可靠。3、精度高。基本(ben)誤差僅(jin)0.005Ω，可用(yong)來測(ce)(ce)量(liang)(liang)(liang)接地(di)(di)(di)阻(zu)抗(kang)(kang)(kang)(kang)很(hen)小的(de)(de)大型(xing)地(di)(di)(di)網。五、技(ji)術(shu)(shu)(shu)指(zhi)標(biao)1、阻(zu)抗(kang)(kang)(kang)(kang)測(ce)(ce)量(liang)(liang)(liang)范(fan)圍：0Ω～200Ω2、分辨率：0.001Ω3、測(ce)(ce)量(liang)(liang)(liang)誤差：±（讀數×2％＋0.005Ω）4、抗(kang)(kang)(kang)(kang)工(gong)頻(pin)(pin)50Hz 電(dian)(dian)(dian)壓干(gan)擾(rao)(rao)能(neng)力(li)：10V5、測(ce)(ce)試(shi)(shi)電(dian)(dian)(dian)流波(bo)形：正弦波(bo)6、測(ce)(ce)試(shi)(shi)電(dian)(dian)(dian)流頻(pin)(pin)率：自(zi)動(dong)(dong)45Hz/55Hz 雙(shuang)頻(pin)(pin)，多(duo)組變(bian)(bian)頻(pin)(pin)供(gong)選(xuan)擇使(shi)用(yong)7、輸出電(dian)(dian)(dian)流：5A8、輸出電(dian)(dian)(dian)壓：400V9、測(ce)(ce)量(liang)(liang)(liang)線要(yao)求： 電(dian)(dian)(dian)流線銅芯(xin)截(jie)(jie)面積(ji)≥2.0mm2電(dian)(dian)(dian)壓線銅芯(xin)截(jie)(jie)面積(ji)≥1.5mm210、供(gong)電(dian)(dian)(dian)電(dian)(dian)(dian)源：AC220V±10％，50Hz11、外形尺寸：440×350×21012、儀(yi)(yi)(yi)器(qi)重(zhong)量(liang)(liang)(liang)：10kg

<昆明>天正華意電氣設備有限公司 多功能接地電阻測試儀現貨價格

昆(kun)明接(jie)(jie)地(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)測(ce)試儀導體(ti)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)測(ce)量(liang)(liang)(liang)(liang)(liang) 4、地(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)測(ce)量(liang)(liang)(liang)(liang)(liang)測(ce)量(liang)(liang)(liang)(liang)(liang)接(jie)(jie)線如圖(tu)一(yi)，撥掉C1插頭，E、P1間的插頭保留，啟動(dong)地(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)（EV）檔，指示(shi)燈亮，讀取(qu)表(biao)(biao)(biao)(biao)(biao)頭數值即為(wei)E、P1間的交(jiao)(jiao)流地(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)值。5、測(ce)量(liang)(liang)(liang)(liang)(liang)完畢(bi)按(an)一(yi)下電(dian)(dian)(dian)(dian)(dian)(dian)源“OFF”鍵，儀表(biao)(biao)(biao)(biao)(biao)關(guan)機。四、注(zhu)意事項1、存(cun)放(fang)保管本(ben)表(biao)(biao)(biao)(biao)(biao)時(shi)(shi)，應(ying)注(zhu)意環境(jing)溫度(du)濕度(du)，應(ying)放(fang)在(zai)干燥通風的地(di)(di)方(fang)為(wei)宜，避免受潮，應(ying)防止(zhi)酸堿及(ji)腐蝕(shi)氣(qi)體(ti)。2、測(ce)量(liang)(liang)(liang)(liang)(liang)保護(hu)接(jie)(jie)地(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)時(shi)(shi)，一(yi)定要斷(duan)開(kai)電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)設(she)備與電(dian)(dian)(dian)(dian)(dian)(dian)源連接(jie)(jie)點。在(zai)測(ce)量(liang)(liang)(liang)(liang)(liang)小于(yu)1Ω的接(jie)(jie)地(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)時(shi)(shi)，應(ying)分別用專用導線連在(zai)接(jie)(jie)地(di)(di)體(ti)上，C2在(zai)外側P2在(zai)內側如圖(tu)四所示(shi)：3、測(ce)量(liang)(liang)(liang)(liang)(liang)大型(xing)接(jie)(jie)地(di)(di)網(wang)接(jie)(jie)地(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)時(shi)(shi)，不能按(an)一(yi)般接(jie)(jie)線方(fang)法(fa)測(ce)量(liang)(liang)(liang)(liang)(liang)，可參照電(dian)(dian)(dian)(dian)(dian)(dian)流表(biao)(biao)(biao)(biao)(biao)、電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)表(biao)(biao)(biao)(biao)(biao)測(ce)量(liang)(liang)(liang)(liang)(liang)法(fa)中的規定選定埋插點。4、測(ce)量(liang)(liang)(liang)(liang)(liang)地(di)(di)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)時(shi)(shi)反(fan)復在(zai)不同的方(fang)向測(ce)量(liang)(liang)(liang)(liang)(liang)3～4次，取(qu)其平均值。5、本(ben)儀表(biao)(biao)(biao)(biao)(biao)為(wei)交(jiao)(jiao)直(zhi)流兩(liang)用，不接(jie)(jie)交(jiao)(jiao)流電(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)，儀表(biao)(biao)(biao)(biao)(biao)使用電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)供電(dian)(dian)(dian)(dian)(dian)(dian)，接(jie)(jie)入交(jiao)(jiao)流時(shi)(shi)，優先使用交(jiao)(jiao)流電(dian)(dian)(dian)(dian)(dian)(dian)。6、當(dang)表(biao)(biao)(biao)(biao)(biao)頭左上角顯(xian)示(shi)“←”時(shi)(shi)表(biao)(biao)(biao)(biao)(biao)示(shi)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)不足，應(ying)更(geng)換新電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)。儀表(biao)(biao)(biao)(biao)(biao)長(chang)期(qi)不用時(shi)(shi)，應(ying)將電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)全部取(qu)出(chu)，以(yi)免銹蝕(shi)儀表(biao)(biao)(biao)(biao)(biao)。

<昆明>天正華意電氣設備有限公司 多功能接地電阻測試儀現貨價格