EY9000B手持(chi)電(dian)(dian)能質量測(ce)(ce)試(shi)儀是(shi)用(yong)于檢測(ce)(ce)電(dian)(dian)網中發生波(bo)形(xing)畸變(bian)、諧(xie)波(bo)含(han)量和三相不平(ping)衡(heng)等電(dian)(dian)能質量問(wen)題(ti)的(de)測(ce)(ce)試(shi)儀器；同時還(huan)具備(bei)電(dian)(dian)參量測(ce)(ce)試(shi)、諧(xie)波(bo)判斷(duan)、矢(shi)量分析、歷史查(cha)閱的(de)功(gong)(gong)能。可(ke)(ke)精確測(ce)(ce)量電(dian)(dian)壓、電(dian)(dian)流(liu)、有功(gong)(gong)功(gong)(gong)率、無功(gong)(gong)功(gong)(gong)率、相角(jiao)、功(gong)(gong)率因數、頻率等多種(zhong)電(dian)(dian)參量。可(ke)(ke)顯(xian)示被測(ce)(ce)電(dian)(dian)壓和電(dian)(dian)流(liu)的(de)矢(shi)量圖，用(yong)戶可(ke)(ke)以通過分析矢(shi)量圖得(de)出計量設備(bei)接線的(de)正確與(yu)否。
隨著我國(guo)國(guo)民經(jing)濟(ji)的(de)蓬勃發(fa)展，用電(dian)量(liang)的(de)逐年增多，電(dian)力負(fu)(fu)荷急劇加大(da)，各種不同性(xing)質的(de)用電(dian)負(fu)(fu)荷（特別是沖擊性(xing)和(he)(he)非線(xian)性(xing)負(fu)(fu)荷容量(liang)）的(de)不斷(duan)增長，對電(dian)網的(de)電(dian)能供電(dian)質量(liang)造(zao)成了很大(da)的(de)影響，突出表現為電(dian)網諧波含量(liang)增大(da)、波形畸變嚴重、電(dian)壓(ya)波動(dong)與(yu)閃變和(he)(he)三相(xiang)不平(ping)衡超出允許(xu)范圍等電(dian)能質量(liang)相(xiang)關問題。為了解決以(yi)上的(de)問題，公(gong)司適時開發(fa)研制(zhi)出YSB904便攜式電(dian)力諧波檢(jian)測儀。儀器內置(zhi)大(da)容量(liang)掉(diao)電(dian)不丟(diu)失數據存(cun)儲器，可(ke)將現場校驗數據保存(cun)下來
YSB904手(shou)持電(dian)(dian)能質量(liang)(liang)(liang)分(fen)(fen)析(xi)儀是一種集電(dian)(dian)能質量(liang)(liang)(liang)分(fen)(fen)析(xi)、電(dian)(dian)參(can)量(liang)(liang)(liang)測(ce)(ce)試、電(dian)(dian)力(li)矢(shi)量(liang)(liang)(liang)分(fen)(fen)析(xi)為一體的多(duo)(duo)功能測(ce)(ce)試儀器(qi)(qi)(qi)(qi)。該儀器(qi)(qi)(qi)(qi)配備高精度、高線(xian)性度的電(dian)(dian)壓互感器(qi)(qi)(qi)(qi)和電(dian)(dian)流互感器(qi)(qi)(qi)(qi)，使(shi)儀器(qi)(qi)(qi)(qi)對(dui)各種參(can)量(liang)(liang)(liang)的測(ce)(ce)量(liang)(liang)(liang)精度很(hen)高，同時配有鉗形電(dian)(dian)流互感器(qi)(qi)(qi)(qi)，使(shi)得(de)現場(chang)接線(xian)簡便(bian)。采用大(da)屏幕進口彩色(se)液(ye)晶(jing)作為顯示器(qi)(qi)(qi)(qi)，中文操作界(jie)面(mian)并配有漢(han)字(zi)提(ti)示信息(xi)、多(duo)(duo)參(can)量(liang)(liang)(liang)顯示的液(ye)晶(jing)顯示界(jie)面(mian)，人機對(dui)話界(jie)面(mian)友好，向量(liang)(liang)(liang)圖顯示及接線(xian)判(pan)斷(duan)為檢查電(dian)(dian)路的正(zheng)確性提(ti)供了可(ke)靠的依據(ju)。
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