簡要描述:10kv兆歐表又名(ming)數(shu)(shu)字式(shi)絕緣電(dian)(dian)(dian)阻(zu)測試儀、高壓(ya)(ya)絕緣電(dian)(dian)(dian)阻(zu)測試儀等,用于絕緣電(dian)(dian)(dian)阻(zu)的測試。本儀表具有LCD大屏幕灰(hui)白背光顯(xian)示、數(shu)(shu)據(ju)(ju)存儲、數(shu)(shu)據(ju)(ju)查(cha)閱、報警、自動關機(ji)等功能。同時還(huan)具備測量直(zhi)流電(dian)(dian)(dian)壓(ya)(ya)交流電(dian)(dian)(dian)壓(ya)(ya)吸收比和極化(hua)指數(shu)(shu)功能。
產品型(xing)號: LY-10型(xing)
所屬分(fen)類(lei):10kv兆歐表
更新時間:2024-03-01
品牌 | 江蘇龍運 | 產地類別 | 國產 |
---|---|---|---|
應用領域 | 環保,化工,石油,能源,電子 |
10kv兆歐表又名數字式絕緣(yuan)(yuan)電(dian)阻(zu)測(ce)(ce)試(shi)儀(yi)、高壓絕緣(yuan)(yuan)電(dian)阻(zu)測(ce)(ce)試(shi)儀(yi)等,用于絕緣(yuan)(yuan)電(dian)阻(zu)的測(ce)(ce)試(shi)。本儀(yi)表(biao)具(ju)有LCD大屏幕灰白背(bei)光顯示、數據(ju)存儲、數據(ju)查閱、報警(jing)、自(zi)動關機(ji)等功能(neng)(neng)。同(tong)時還具(ju)備測量直(zhi)流電(dian)壓交流電(dian)壓吸收比和極化指數功能(neng)(neng)。整機(ji)美觀高檔(dang),量程(cheng)寬廣,分(fen)辨率高,操作(zuo)便(bian)捷,攜帶方便(bian),準確、可靠(kao)、性能(neng)(neng)穩定,抗干擾能(neng)(neng)力(li)(li)強。而且具(ju)有防(fang)震、防(fang)塵、防(fang)潮結構,是電(dian)信、電(dian)力(li)(li)、氣(qi)象、機(ji)房、油田、機(ji)電(dian)安裝(zhuang)和維修(xiu)以及利用電(dian)力(li)(li)作(zuo)為工業(ye)(ye)動力(li)(li)或能(neng)(neng)源的工業(ye)(ye)企業(ye)(ye)部門常用而需要的儀表。它適用于測量各種絕緣材料的電阻值及變壓器、電機、電纜及電器設備等的絕緣電阻。
數字絕(jue)緣(yuan)電(dian)(dian)阻(zu)表由中大規模集成(cheng)(cheng)電(dian)(dian)路組(zu)成(cheng)(cheng)。本表輸出功率大,輸出電(dian)(dian)壓(ya)等(deng)級(ji)多(有6個(ge)電(dian)(dian)壓(ya)等(deng)級(ji))。 額定絕(jue)緣(yuan)測試電(dian)(dian)壓(ya)范圍(wei)(wei)250V~10kV,絕(jue)緣(yuan)電(dian)(dian)阻(zu)測量范圍(wei)(wei)0.01MΩ~2000GΩ。直流電(dian)(dian)壓(ya)測量范圍(wei)(wei)0~1000V,交流電(dian)(dian)壓(ya)測量范圍(wei)(wei)0~750V。
LY-10型10KV兆歐表量程及精度
測(ce)量功能 | 輸(shu)出電(dian)壓(ya) | 測量(liang)范圍 | 精度(du) | 分辨率 |
絕緣電阻 | 250V(±10%) | 0 MΩ~10MΩ | ±3%rdg±5dgt | 0.01MΩ |
10 MΩ~100MΩ | ±3%rdg±5dgt | 0.1MΩ | ||
100MΩ~1000MΩ | ±3%rdg±5dgt | 1MΩ | ||
1GΩ~10GΩ | ±5%rdg±5dgt | 0.01GΩ | ||
10GΩ~30GΩ | ±20%rdg±5dgt | 0.1GΩ | ||
500V(±10%) | 0 MΩ~20MΩ | ±3%rdg±5dgt | 0.01MΩ | |
20 MΩ~200MΩ | ±3%rdg±5dgt | 0.1MΩ | ||
200MΩ~2000MΩ | ±3%rdg±5dgt | 1MΩ | ||
2GΩ~20GΩ | ±20%rdg±5dgt | 0.01GΩ | ||
20GΩ~50GΩ | ±20%rdg±5dgt | 0.1GΩ | ||
1000V(±10%) | 0MΩ~50MΩ | ±3%rdg±5dgt | 0.01MΩ | |
50 MΩ~500MΩ | ±3%rdg±5dgt | 0.1MΩ | ||
500 MΩ~5000MΩ | ±3%rdg±5dgt | 1MΩ | ||
5GΩ~50GΩ | ±20%rdg±5dgt | 0.01GΩ | ||
50GΩ~100GΩ | ±20%rdg±5dgt | 0.1GΩ | ||
2500V(±10%) | 0 MΩ~10MΩ | ±3%rdg±5dgt | 0.01MΩ | |
10 MΩ~100MΩ | ±3%rdg±5dgt | 0.1MΩ | ||
100 MΩ~1000MΩ | ±3%rdg±5dgt | 1MΩ | ||
1 GΩ~10GΩ | ±10%rdg±5dgt | 0.01GΩ | ||
10 GΩ~100GΩ | ±20%rdg±5dgt | 0.1GΩ | ||
100 GΩ~300GΩ | ±20%rdg±5dgt | 1GΩ | ||
5000V(±10%) | 0 MΩ~20MΩ | ±3%rdg±5dgt | 0.01MΩ | |
20 MΩ~200MΩ | ±3%rdg±5dgt | 0.1MΩ | ||
200 MΩ~2000MΩ | ±3%rdg±5dgt | 1MΩ | ||
2 GΩ~20GΩ | ±10%rdg±5dgt | 0.01GΩ | ||
20 GΩ~200GΩ | ±20%rdg±5dgt | 0.1GΩ | ||
200 GΩ~2000GΩ | ±20%rdg±5dgt | 1GΩ | ||
10KV(±10%) | 0 MΩ~50MΩ | ±3%rdg±5dgt | 0.01MΩ | |
50 MΩ~500MΩ | ±3%rdg±5dgt | 0.1MΩ | ||
500 MΩ~5000MΩ | ±5%rdg±5dgt | 1MΩ | ||
5 GΩ~50GΩ | ±10%rdg±5dgt | 0.01GΩ | ||
50 GΩ~500GΩ | ±20%rdg±5dgt | 0.1GΩ | ||
500 GΩ~2000GΩ | ±20%rdg±5dgt | 1GΩ |
注:常用電氣單位換算
1 TΩ(Tera ohm)=1000GΩ=1012Ω
1 GΩ(Giga ohm)=1000MΩ=109Ω
1 MΩ(Mega ohm)=1000KΩ=106Ω
測量功能(neng) | 測量范圍 | 精度 | 分辨率(lv) |
直(zhi)流電壓 | DC 0.0V~1000V | ±1.5%rdg±3dgt | 0.1V |
交流電壓 | AC 0.0V~750V | ±1.5%rdg±3dgt | 0.1V |
LY-10型10KV兆歐表技術規格(ge)
功能 | 絕緣電阻測試,電壓測試 | |
基準條件 | 23℃±5℃,75%rh以下 | |
額定電壓(V) | 250;500;1000;2500;5000V;10KV | |
測量電(dian)壓(V) | 額定電壓(ya)×(1±10%) | |
絕緣電阻量程(cheng)(GΩ) | 0.01MΩ~2000GΩ | 分(fen)辨率: 0.01MΩ |
直流(liu)電(dian)壓量程(cheng) | 0~1000V | 分辨率: 0.1V |
交流電壓(ya)量(liang)程(cheng) | 0~750V | 分(fen)辨(bian)率: 0.1V |
輸(shu)出短路(lu)電流 | ≥5mA(10KV) | |
吸收比和極(ji)化指(zhi)數測量 | 有 | |
電源 | 12.6V充電鋰電池(chi) | |
背光 | 可控灰(hui)白(bai)屏背光,適(shi)合(he)昏暗場所(suo)使用(yong) | |
顯(xian)示模式 | 4位超大LCD顯示,灰白屏背光 | |
LCD顯示尺寸 | 108mm×65mm | |
儀表尺寸 | 長寬高(gao):277.2mm×227.5mm×153mm | |
USB接(jie)口 | 具有USB接口,軟(ruan)件監控,存儲數據可以上(shang)傳電腦,保存打印 | |
通 訊 線 | USB通(tong)訊(xun)線1條 | |
測試(shi)線 | 高(gao)壓棒(bang)紅色(se)3米(mi),高(gao)壓測試線黑(hei)色(se)1.5米(mi),綠(lv)線1.5米(mi) | |
數據存儲 | 500組,閃爍(shuo)顯(xian)示(shi)“FULL"符號表示(shi)存(cun)儲已滿 | |
數(shu)據查閱 | 數據查閱功能:“MR"符號(hao)顯示(shi) | |
溢(yi)出(chu)顯(xian)示 | 超量程溢出功能:“OL"符號顯示 | |
報警功能 | 測量值(zhi)未超過報(bao)警設定(ding)值(zhi)時發出報(bao)警提示 | |
功(gong)耗 | 待機: 30mA Max(背(bei)光(guang)關閉), 開(kai)(kai)機開(kai)(kai)背(bei)光(guang): 42mA Max, 測量:300mA Max(背光關閉) | |
儀表質量 | 2750g(含電池) | |
電池電壓 | 電池(chi)電壓不足,顯示低(di)電符號“ " | |
自動關機(ji) | 儀表無操作15分鐘關機 | |
絕緣電阻 | ≥50MΩ(測(ce)量線路與外殼間(jian)) | |
耐壓(ya) | AC3kV/50Hz 1min | |
工作溫度和(he)濕度 | -10℃~+50℃<85%RH | |
貯存溫(wen)度(du)和濕度(du) | -15℃~+55℃<90%RH | |
適合(he)安(an)規 | IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、污染等2、CAT Ⅲ 300V |
極化指數(shu)(PI)和吸收比(DAR)
極(ji)化指數(shu)(PI)和吸收比(bi)(DAR)作用(yong):
極(ji)化(hua)(hua)指(zhi)(zhi)數(shu)(PI)和(he)吸收(shou)比(bi)(DAR)是檢查絕(jue)緣(yuan)體的(de)(de)(de)泄漏(lou)(lou)電流的(de)(de)(de)時(shi)間是否增加的(de)(de)(de)試驗。確認施(shi)加時(shi)間的(de)(de)(de)同時(shi)泄漏(lou)(lou)電流沒(mei)有增加。儀(yi)表自動計算極(ji)化(hua)(hua)指(zhi)(zhi)數(shu)PI和(he)吸收(shou)比(bi)DAR值,作為(wei)判斷絕(jue)緣(yuan)性能的(de)(de)(de)依(yi)據,極(ji)化(hua)(hua)指(zhi)(zhi)數(shu)PI和(he)吸收(shou)比(bi)DAR都表示(shi)被測(ce)物承受測(ce)量電壓后一段時(shi)間內絕(jue)緣(yuan)電阻的(de)(de)(de)變化(hua)(hua)情況(kuang)。
極化指數(PI)和吸(xi)收比(DAR)區別:
對(dui)于一般(ban)(ban)的(de)(de)(de)絕(jue)(jue)緣(yuan)體(ti)(ti)測(ce)試,如外殼絕(jue)(jue)緣(yuan)、工具手(shou)柄(bing)等一般(ban)(ban)在較短(duan)時(shi)(shi)(shi)間(jian)(jian)能(neng)測(ce)試出(chu)隨施(shi)加電(dian)(dian)(dian)(dian)壓(ya)(ya)時(shi)(shi)(shi)間(jian)(jian)增加漏(lou)電(dian)(dian)(dian)(dian)流是(shi)否(fou)增加情況(kuang),所以一般(ban)(ban)用較短(duan)時(shi)(shi)(shi)間(jian)(jian)的(de)(de)(de)試驗就(jiu)能(neng)測(ce)試出(chu)來(lai),短(duan)時(shi)(shi)(shi)間(jian)(jian)測(ce)試的(de)(de)(de)絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)阻比(bi)(bi)值(zhi)DAR稱為(wei)吸(xi)收(shou)(shou)比(bi)(bi)(具體(ti)(ti)測(ce)試時(shi)(shi)(shi)間(jian)(jian)見(jian)下面公式(shi)),但對(dui)于大容量和吸(xi)收(shou)(shou)過(guo)程(cheng)較長的(de)(de)(de)被測(ce)品,如變壓(ya)(ya)器、發電(dian)(dian)(dian)(dian)機、電(dian)(dian)(dian)(dian)纜、電(dian)(dian)(dian)(dian)容器等電(dian)(dian)(dian)(dian)氣設備,有時(shi)(shi)(shi)吸(xi)收(shou)(shou)比(bi)(bi)值(zhi)(DAR)尚不足以反映吸(xi)收(shou)(shou)的(de)(de)(de)全過(guo)程(cheng),可(ke)采用較長時(shi)(shi)(shi)間(jian)(jian)的(de)(de)(de)絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)阻比(bi)(bi)值(zhi),即10分(fen)鐘時(shi)(shi)(shi)的(de)(de)(de)絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)阻(R10min)與(yu)l分(fen)鐘時(shi)(shi)(shi)的(de)(de)(de)絕(jue)(jue)緣(yuan)電(dian)(dian)(dian)(dian)阻(R1min)的(de)(de)(de)比(bi)(bi)值(zhi)PI來(lai)描(miao)述絕(jue)(jue)緣(yuan)吸(xi)收(shou)(shou)的(de)(de)(de)全過(guo)程(cheng),PI稱為(wei)極化指數(shu)。