佐航20A變壓器直流電阻測試儀三相助磁消磁
佐航BYQ3320變壓器直流電阻測試儀適用于220kV/150MVA及以下主變、配電變壓器
佐航BYQ3320變壓器直流電阻測試儀是集助磁法測試、三相測試( Yn ,Y 、△)和 消磁功能于一體的新一代快速測試儀,是測量大型電力變壓器直流電阻的理想設(shè)備。屏幕采用真彩色大屏幕高分辨率液晶顯示屏,觸控加飛梭旋鈕操作,方便現(xiàn)場使用。具有中文菜單提示功能,操作簡便直觀,一次接線完成所有直阻測試項目,測試速度快,準(zhǔn)確度高,量程
寬。
1,主要技術(shù)參數(shù)
1) 輸出電流:單相 20A、10A、5A、1A、0.1A、10mA、<1mA
三相 10A+10A、5A+5A、1A+1A、0.1A+0.1A
2) 測量范圍:0.5mΩ~25kΩ
3) 準(zhǔn)確度:±(讀數(shù)×0.2%+2 個字)
4) 工作電源:AC220V±10%
5) 設(shè)置11個電流檔位
2、主要功能特點(diǎn)
1)對于 Yn 型、Y 型和△型繞組均可采用三相測量方式進(jìn)行測試,并計算出三相不平衡率。
2)測試電源zui高輸出電流 20A,測試范圍廣,滿足絕大多數(shù)變壓器的測試需求;并且具有消磁功能,可減小大電流測試時變壓器剩磁大的危害。
3)測試過程可自動計算 5S、15S、30S 內(nèi)的電阻值變化率,可以輔助試驗人員判斷測試數(shù)據(jù)的穩(wěn)定性,防止誤讀數(shù)據(jù)。
4) 儀器具有反電動勢保護(hù)、斷線保護(hù)和斷電保護(hù)等多種保護(hù)功能。
5)儀器配有熱敏打印機(jī),本機(jī)存儲數(shù)據(jù) 200 條,支持優(yōu)盤海量存儲。
6)工業(yè)級7寸真彩大屏顯示,清新簡約顯示風(fēng)格設(shè)計,全觸控操作,為您創(chuàng)建舒適便捷的人機(jī)交互體驗。
7)一次接線可高低壓三相同測。
佐航20A變壓器直流電阻測試儀三相助磁消磁
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