PA211電流表PZ211電壓表PS211功率表PX211功率因數表PP211頻率表PX211功率因數角度表數顯電測儀PA211-1I1X1/1X2/1X3/1X4/1XD/1XA交流電流表 PA211-1I1XD直流電流表 PA211-2I1XD交流電壓PZ211-1U1XD直流電壓表 PZ211-2U1XD交流電流表 PA211-1I1X5直流電表 PA211-2I1X5交流電壓表 PZ211-1U1X5直流電壓表 PZ211-2U1X5有功率表 PS211-1P1X5無功功率表 PS211-1Q1X5功率因數表PX211G1H1X5頻率表 PP211-1F1X5功率因數角度表 PX211-J1D1X5交流電流PA211-1I4XA交流電壓表 PZ211-1U4XA交流電流表 PA211-1I1XA直流電流PA211-1I1X1,PZ211-1U1X1天康電子