產(chan)品特點：

KTZGY-20A變壓器三相同測直流電阻測試儀揚州(zhou)科(ke)拓電氣(qi) 科拓 每臺測試儀器都以zui高標準設(she)計和(he)制(zhi)造，產(chan)品同行業(ye)內*推出(chu)三年(nian)免費質保。產(chan)品用于(yu)檢(jian)測變壓(ya)器制造(zao)中(zhong)有效發現變壓(ya)器線圈的(de)(de)選材(cai)、焊接、連接部位松(song)動(dong)、缺股(gu)、斷線等制造(zao)缺陷(xian)和運行后存在的(de)(de)隱患。

產(chan)品詳細簡介(jie)：

為了滿足變壓(ya)器直流電(dian)阻快速測量的需要，我公(gong)司利用自身技術優(you)勢研制了本(ben)款KTZGY-20A變壓器(qi)三相同測(ce)直流(liu)電阻(zu)測(ce)試儀,該儀器采用全新(xin)電(dian)源技(ji)術，具有體(ti)積小、重量輕、輸出電(dian)流大等特點。KTZGY-20A變壓器三相(xiang)同(tong)測(ce)直流電阻(zu)測(ce)試儀采用雙電源結構，對(dui)有分接(jie)的變(bian)壓器(qi)Y_N聯接繞組，實(shi)現(xian)三(san)相同時(shi)加電，測(ce)量(liang)系統采(cai)(cai)用獨(du)立(li)三(san)通道(dao)電流采(cai)(cai)樣、獨(du)立(li)三(san)通道(dao)電壓(ya)采(cai)(cai)樣，同時(shi)測(ce)量(liang)并顯示三(san)相電阻值和三(san)相不平衡率。大大縮短工作時(shi)間，解決了(le)電力變壓(ya)器各分接繞組直(zhi)流電阻測(ce)試(shi)耗時(shi)長的問題，所需時(shi)間僅為傳統方法的1/3。整(zheng)機由單片機控制，自(zi)動(dong)完成自(zi)檢、數據處理、顯示等功(gong)能，具有自(zi)動(dong)放(fang)電(dian)和放(fang)電(dian)指示功(gong)能。儀器測(ce)試精度(du)高，操作簡便，可實現變壓器直(zhi)阻的快速測(ce)量。

安全措施

使(shi)用(yong)本儀器(qi)前(qian)定要(yao)認(ren)真閱讀本手(shou)冊。

儀(yi)器的(de)操作者應具備般電氣設備或儀(yi)器的(de)使用常識(shi)。

本儀器戶內外(wai)均可使(shi)(shi)用，但應避開雨淋(lin)、腐(fu)蝕氣體(ti)、塵埃過濃、高溫、陽(yang)光直射等場(chang)所使(shi)(shi)用。

儀(yi)表應避免(mian)劇烈振動。

對(dui)儀器(qi)的維修、護理(li)和調整應由(you)專(zhuan)業人員進行。

測試(shi)完(wan)畢后定要等放電(dian)報警聲停(ting)止后再關閉電(dian)源，拆(chai)除測試(shi)線。

測量無載調壓變壓器，定(ding)要等放(fang)電指示報警音停止后(hou)，切(qie)換檔位。

在測試過程中，禁止(zhi)移動測試夾和供(gong)電線路。

性能特(te)點

儀(yi)器輸出電(dian)流大且自動(dong)選擇電(dian)流操作簡便。

三通道測量，實時采(cai)集，同時測量三個電阻(zu)值，并計算三相電阻(zu)不平衡度。

既可以三相同(tong)時(shi)測量(liang)，也可以按傳統(tong)方(fang)式單通道測量(liang)，同(tong)時(shi)具備溫度(du)換算功能(neng)，使用方(fang)便。

具有完善的保(bao)護電路(lu)，可靠性強。

帶不掉電(dian)萬(wan)年(nian)歷、時鐘、80組數據存儲、調閱、打印功能。

可以設置(zhi)電阻的相(xiang)序、分接(jie)位置(zhi)等(deng)打印(yin)信(xin)息。

立式(shi)機箱結構，便于現場操作。

具(ju)有音響放電報警，放電指示清晰，減(jian)少誤操作。

技術指標

輸出(chu)電流： 20A

量程范圍：0～100Ω     

準確度：0.2%±0.5μΩ

zui小分(fen)辨率：0.1μΩ

工作溫度：-20～40℃

環(huan)境濕度：≤80%RH，無結露

工(gong)作電源：AC220V±10%，50Hz±1Hz

長(chang)330mm寬230mm高270mm 

凈重(zhong)：10kg

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