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        Base Information
      Name:RTU NPM-502
      Data download:Click Here
        Product introduction

         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




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