开孔尺寸 Cutout dimension 92×44mm 92×45mm 显示位数 999999 6位0.5英寸LED 999999 6 bits 0.5 inchLED 辅助电源 Auxiliary power AC/DC12-220V±10%(其它电压根据用户要求定制) AC/DC12-220V±10%(Other voltage is customized according to user’s requirement) 信号输入 The signal inputting 无源开关 电平脉冲(电信号、传感器信号等) Passive switch Level pulse (electric signal , sensor signal ,etc.) 复零方式 Reply zero way 手动 清零 Manual , zero clearing 频率范围 Frequency Range 0.01Hz-1KHz 量程 Quantity one 1-999999 功能 Function 断电数据可自动保存 Datum can be kept automatically to cut out