◆
◆ 同(tong)(tong)時(shi)輸(shu)入三相電(dian)壓,分三排同(tong)(tong)時(shi)顯示三相實測電(dian)壓
◆ 根(gen)據配(pei)用的電壓互感器,量程顯示任(ren)意設(she)定
◆ 兩路繼電器上、下限報警,報警范圍任意設定
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