簡(jian)要描述:10kv兆歐表(biao)又名數(shu)(shu)字式絕(jue)緣(yuan)電(dian)阻測試(shi)儀(yi)、高壓絕(jue)緣(yuan)電(dian)阻測試(shi)儀(yi)等(deng),用于絕(jue)緣(yuan)電(dian)阻的測試(shi)。本(ben)儀(yi)表(biao)具有LCD大屏幕灰白背(bei)光顯示、數(shu)(shu)據(ju)(ju)存(cun)儲、數(shu)(shu)據(ju)(ju)查閱、報(bao)警、自動(dong)關機(ji)等(deng)功(gong)能(neng)。同時還具備測量直流電(dian)壓交流電(dian)壓吸收比和極化指數(shu)(shu)功(gong)能(neng)。
產(chan)品型號: LY-10型
所屬分類:10kv兆歐表
更(geng)新時間:2023-07-18
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(ming)數字式絕(jue)緣電阻(zu)測試(shi)儀、高壓絕(jue)緣電阻(zu)測試(shi)儀等,用于絕(jue)緣電阻(zu)的(de)測試(shi)。本儀表具有(you)LCD大屏幕灰白背光顯(xian)示、數據(ju)存儲、數據(ju)查(cha)閱、報(bao)警、自動(dong)關機等功(gong)能(neng)。同時還具備測(ce)量(liang)直流電(dian)(dian)壓(ya)交流電(dian)(dian)壓(ya)吸收比(bi)和極(ji)化指數功(gong)能(neng)。整機美觀高檔(dang),量(liang)程寬廣,分辨(bian)率高,操(cao)作便(bian)捷,攜帶方便(bian),準確、可靠、性能(neng)穩定(ding),抗干(gan)擾能(neng)力強。而(er)且具有防震、防塵、防潮(chao)結構,是電(dian)(dian)信(xin)、電(dian)(dian)力、氣象、機房、油田(tian)、機電(dian)(dian)安(an)裝和維修以及(ji)利(li)用電(dian)(dian)力作為(wei)工(gong)業(ye)動(dong)力或能(neng)源的工(gong)業(ye)企業(ye)部門常用而(er)需要(yao)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)阻表(biao)由中大規(gui)模集成電(dian)(dian)路組成。本表(biao)輸出功率(lv)大,輸出電(dian)(dian)壓(ya)(ya)等(deng)(deng)級多(有(you)6個電(dian)(dian)壓(ya)(ya)等(deng)(deng)級)。 額(e)定絕(jue)緣(yuan)測試電(dian)(dian)壓(ya)(ya)范圍(wei)(wei)250V~10kV,絕(jue)緣(yuan)電(dian)(dian)阻測量(liang)范圍(wei)(wei)0.01MΩ~2000GΩ。直(zhi)流電(dian)(dian)壓(ya)(ya)測量(liang)范圍(wei)(wei)0~1000V,交流電(dian)(dian)壓(ya)(ya)測量(liang)范圍(wei)(wei)0~750V。
LY-10型10KV兆歐表(biao)量(liang)程及精度(du)
測量功能 | 輸出電壓 | 測量范圍 | 精度 | 分辨率(lv) |
絕(jue)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(yong)電(dian)氣單(dan)位(wei)換算(suan)
1 TΩ(Tera ohm)=1000GΩ=1012Ω
1 GΩ(Giga ohm)=1000MΩ=109Ω
1 MΩ(Mega ohm)=1000KΩ=106Ω
測量功能 | 測(ce)量范(fan)圍 | 精度 | 分辨(bian)率 |
直流電壓(ya) | DC 0.0V~1000V | ±1.5%rdg±3dgt | 0.1V |
交(jiao)流電壓 | AC 0.0V~750V | ±1.5%rdg±3dgt | 0.1V |
LY-10型10KV兆歐表技術規格
功能 | 絕緣電(dian)阻(zu)測試,電(dian)壓(ya)測試 | |
基準(zhun)條件 | 23℃±5℃,75%rh以下 | |
額定電壓(V) | 250;500;1000;2500;5000V;10KV | |
測(ce)量(liang)電(dian)壓(V) | 額定電壓(ya)×(1±10%) | |
絕緣電阻(zu)量程(GΩ) | 0.01MΩ~2000GΩ | 分辨率(lv): 0.01MΩ |
直(zhi)流電壓量程 | 0~1000V | 分辨率: 0.1V |
交流(liu)電壓量(liang)程 | 0~750V | 分辨率: 0.1V |
輸出(chu)短(duan)路電(dian)流 | ≥5mA(10KV) | |
吸收比和極化(hua)指數測量 | 有(you) | |
電源(yuan) | 12.6V充(chong)電鋰電池 | |
背光(guang) | 可控灰白屏背光(guang),適合昏(hun)暗場所使用 | |
顯示模式(shi) | 4位超大LCD顯(xian)示(shi),灰白屏(ping)背光 | |
LCD顯示尺(chi)寸 | 108mm×65mm | |
儀表尺寸 | 長寬高(gao):277.2mm×227.5mm×153mm | |
USB接口 | 具有USB接口,軟件監(jian)控,存儲(chu)數據可以上傳電(dian)腦,保存打印 | |
通 訊 線(xian) | USB通(tong)訊線1條 | |
測試線 | 高壓棒紅色3米,高壓測試線黑色1.5米,綠線1.5米 | |
數(shu)據存儲 | 500組,閃爍顯示(shi)“FULL"符號表示(shi)存儲已滿 | |
數據查閱 | 數據查閱功(gong)能:“MR"符號顯示 | |
溢出顯(xian)示 | 超量程溢出功能(neng):“OL"符(fu)號顯示 | |
報警功能 | 測量值未(wei)超(chao)過報(bao)警設定(ding)值時(shi)發(fa)出報(bao)警提示 | |
功耗 | 待機: 30mA Max(背光關閉), 開(kai)機開(kai)背光: 42mA Max, 測量:300mA Max(背光關(guan)閉(bi)) | |
儀表質量 | 2750g(含電池) | |
電池電壓 | 電池電壓不足,顯示(shi)低電符(fu)號“ " | |
自動關機(ji) | 儀表無(wu)操作15分鐘關機 | |
絕緣電阻 | ≥50MΩ(測量線路與外(wai)殼間) | |
耐壓 | AC3kV/50Hz 1min | |
工作(zuo)溫度(du)和濕(shi)度(du) | -10℃~+50℃<85%RH | |
貯(zhu)存溫度和濕度 | -15℃~+55℃<90%RH | |
適合安(an)規 | IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、污染(ran)等2、CAT Ⅲ 300V |
極化(hua)指數(PI)和吸收(shou)比(bi)(DAR)
極化指數(shu)(PI)和(he)吸收比(DAR)作用(yong):
極化指數(shu)(PI)和吸(xi)收比(bi)(bi)(DAR)是(shi)檢(jian)查(cha)絕(jue)緣(yuan)體的(de)(de)(de)泄漏電(dian)流的(de)(de)(de)時(shi)(shi)(shi)間是(shi)否增加的(de)(de)(de)試驗。確認(ren)施(shi)加時(shi)(shi)(shi)間的(de)(de)(de)同(tong)時(shi)(shi)(shi)泄漏電(dian)流沒有(you)增加。儀表自動計算極化指數(shu)PI和吸(xi)收比(bi)(bi)DAR值,作為判斷(duan)絕(jue)緣(yuan)性能的(de)(de)(de)依據,極化指數(shu)PI和吸(xi)收比(bi)(bi)DAR都(dou)表示被(bei)測(ce)物承受測(ce)量電(dian)壓后(hou)一(yi)段(duan)時(shi)(shi)(shi)間內絕(jue)緣(yuan)電(dian)阻的(de)(de)(de)變化情況。
極化(hua)指數(PI)和吸(xi)收比(bi)(DAR)區(qu)別:
對于一般的絕(jue)(jue)(jue)緣體(ti)測(ce)(ce)試(shi)(shi),如外殼絕(jue)(jue)(jue)緣、工具(ju)手(shou)柄(bing)等一般在較短(duan)時(shi)(shi)(shi)間(jian)能(neng)測(ce)(ce)試(shi)(shi)出隨(sui)施加電(dian)(dian)(dian)壓時(shi)(shi)(shi)間(jian)增加漏(lou)電(dian)(dian)(dian)流(liu)是否增加情(qing)況,所(suo)以一般用(yong)(yong)較短(duan)時(shi)(shi)(shi)間(jian)的試(shi)(shi)驗就能(neng)測(ce)(ce)試(shi)(shi)出來,短(duan)時(shi)(shi)(shi)間(jian)測(ce)(ce)試(shi)(shi)的絕(jue)(jue)(jue)緣電(dian)(dian)(dian)阻比(bi)(bi)值(zhi)(zhi)DAR稱(cheng)為吸(xi)(xi)收(shou)比(bi)(bi)(具(ju)體(ti)測(ce)(ce)試(shi)(shi)時(shi)(shi)(shi)間(jian)見(jian)下面(mian)公式),但對于大容(rong)量和吸(xi)(xi)收(shou)過(guo)(guo)程(cheng)較長的被測(ce)(ce)品(pin),如變(bian)壓器(qi)(qi)、發電(dian)(dian)(dian)機(ji)、電(dian)(dian)(dian)纜、電(dian)(dian)(dian)容(rong)器(qi)(qi)等電(dian)(dian)(dian)氣設備,有時(shi)(shi)(shi)吸(xi)(xi)收(shou)比(bi)(bi)值(zhi)(zhi)(DAR)尚(shang)不足(zu)以反映吸(xi)(xi)收(shou)的全(quan)過(guo)(guo)程(cheng),可采用(yong)(yong)較長時(shi)(shi)(shi)間(jian)的絕(jue)(jue)(jue)緣電(dian)(dian)(dian)阻比(bi)(bi)值(zhi)(zhi),即10分鐘時(shi)(shi)(shi)的絕(jue)(jue)(jue)緣電(dian)(dian)(dian)阻(R10min)與l分鐘時(shi)(shi)(shi)的絕(jue)(jue)(jue)緣電(dian)(dian)(dian)阻(R1min)的比(bi)(bi)值(zhi)(zhi)PI來描述絕(jue)(jue)(jue)緣吸(xi)(xi)收(shou)的全(quan)過(guo)(guo)程(cheng),PI稱(cheng)為極化(hua)指數。