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   AC input
   Three lines LED indication all electric power parameters
   FFT arithmetic, 1-15 harmonic calculation  
   Voltage measure range: 0-400V (or 0-100V)
   Current range: 0-5A
   Frequency: 20~65Hz
   Measurements: 3 phase voltage, 3 phase current, active power, reactive power,frequency, power factor,  harmonic, 3 phase electrical degrees, inverter output and etc..
   Voltage 0.5% FS ± 2 digit
   Current 0.5% FS ± 2 digit
   Active Power 0.5% FS ± 2 digit
   Reactive Power 0.5% FS ± 2 digit
   Frequency ±0.01Hz± 1 digit
 
   Communication
   1 RS485, 1 RS485 or RS232, MODBUS RTU protocol, Scalable
   Max baud rate 9600bps
   Surface Mounting Technology, high Electromagnetic Compatible(EMC)
   Address Setting: DIP SW 1~31
 
   Operation Condition
   Operating temperature: -25°C~ 70°C
   Storage   temperature:  -40°C~70°C
   Operating humidity:   <85% RH(20±5°C)
   Atmospheric:       86~108Kpa, No corrosive gas or heavy dust
   Weight:   550g
   Input/Output M3 screw terminals
   Mounting: Surface or DIN rail
   Size:    96×96×110mm
   Power Supply:   AC 85~265V 50HZ~65HZ or DC 24 v or DC 9-36V
   Power Consumption:   < 5W
   Ingress Protection:     IP30