技术参数：●供电电源:AC20～265V；DC20～360V●整机功耗:小于2W●采样周期:0.3秒●测量精度:0.2%FS●超上限显示:“∪∪∪∪”、超下限显示:“∩∩∩∩”●继电器触点容量:AC277V10A；DC30V10A(阻性负载)●继电器触点寿命:1×107次●SSR驱动电平:开路电压9V，短路电流50mA●外形和安装尺寸:型号数码管字高(英寸)外型尺寸开孔尺寸上排(红)下排(绿)DH48WK0.360.3648×48×85mm45+0.5×45+0.5mmDH72WK0.560.3672×72×110mm68+0.5×68+0.5mmDH968WK0.560.3696×48×110mm92+0.5×44+0.5mmDH486WK0.360.3648×96×110mm44+0.5×92+0.5mmDH966WK0.800.5696×96×110mm92+0.5×92+0.5mmDH680WK0.800.56160×80×110mm152+0.5×76+0.5mm)