图片仅供参考，型号以标题为主。
丹东华通三相智能型电压表PDM-803V-DS-C-400V-AC220V 数码LED综合显示
带RS-485通讯接口 输入电压220V/380V 仪表电源AC220V
开孔尺寸：91*91mm
面板尺寸：96*96mm
PDM-820AV PDM-820AC PDM-820DP PDM-820QC PDM-803DP
PDM-803AC PDM-803A PDM-803V PDM-801A PDM-801V
PDM-820AV PDM-820AC PDM-820DP PDM-820QC PDM-803DP
PDM-803AC PDM-803A PDM-803V PDM-801A PDM-801V
PDM-820AV PDM-820AC PDM-820DP PDM-820QC PDM-803DP
PDM-803AC PDM-803A PDM-803V PDM-801A PDM-801V
PDM-820AV PDM-820AC PDM-820DP PDM-820QC PDM-803DP
PDM-803AC PDM-803A PDM-803V PDM-801A PDM-801V
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