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      3.   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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