特性?3顯示幕4位數顯示（9999），判讀容易?可量測3組交流電壓（電流）和DC4-20mA輸入?前面板數字顯示以及設定?RS485/232介面，或DC4-20mA輸出詳細規格Display..........................................................................................4digitsdisplay(9999)0.56〞(14.2mm),RedLEDAccuracy..................... 0.2%RD 2digits(forsinewave) 0.1%RD 1digits(forDCmA)OutputAccuracy................................................ 0.2%ROInputrange........AC1.0V～600.0V;AC10mA～9.999ACT,PTscalingrange............................................1～9999Inputovercapability.........................................................................................Current10Acontinuous50Afor5sec.VoltageAC750VcontinuousConversionrate......................................................≦1/sec.Inputburden............................Current≦0.2VAperphaseVoltage≦0.2VAperphaseFrequencyrange..........................45～65HzforACinputOperatingtemp....................................................0～60℃Storagetemp humility.................-10～70℃, 95%RHTemp.coefficient.......................................................................................≦100PPM/℃,≦60PPM/℃,25℃ 10℃Dielectricstrength...AC2KV/1min.(input/output/power)AC2.8KV/1min.(input,output,power/case)Surgetest..............................4KV/1.2 50 s,IEC255-4Aux.power...................AC115V/230V 10%,50/60HzDC24V,48V,110V, 20%(option)Powerconsumption.......................≦AC3.5VA,DC3WDimension.......................110(W)x110(H)x135(D)mmWeight(about)...........................................................660gProtocol.................................................MODBUS(RTU)Baudrate.........................................................9600,19200Address..................................................................1～255ORDERCODE