Digital Power Meter Digital Meters

High precision measurement of three phase voltage, three phase current, active power, reactive power, apparent power, power factor, frequency of electric parameters
Forward and reverse active or reactive energy measurement
Division of electric energy metering, time-sharing power timing meter reading
Measurement of three-phase voltage, three-phase current total harmonic distortion (THD), 2-31 odd harmonic component
Provide the digital tube display, local data query
Menu button intuitive, simple operation
Current, voltage gain programmable setting
Programmable voltage ratio
Support for fire control, remote cut off the fault circuit
Provide multiple loop control nodes, can be used for the alarm, trip control
Support for RS-485 communication, Modubus-RTU protocol
Support for switching input, output, analog quantity transmitting output
Convenient installation, wiring is simple, small engineering quantity
A wide range of AC/DC power supply: AC/DC 80-270V
To be completed by SCADA, PLC in a variety of communications software network
TECHNICAL INDEX

Accuracy of measurementvoltage level 0.5, current level 0.5, active power 0.5, reactive power level 0.5,Frequency ±0.02Hz, active electric energy class 0.5s or class 0.2s, reactive energy grade 1 or grade 2, power factor 0.5
Singal inputConnection mode of four phase three wire, three phase three line
Rated voltage of AC 57.7V, AC 100V, AC 220V, AC 380V
Over load 1.2 times ( Continued ), 2 times / second ( instantaneous )
Power Impedance >300KΩ, current: The frequency of 45~65Hz
Auxiliary power supplyWorking range of AC/DC 80V~270V
Power consumption   Function moduleCommunication interface 1 way RS-485 communication, Modbus-RTU protocol
Baud rate: 1200~9600bps, the default 2400bps
Switch input support 4 stem node input
The switch output support 3 relay output, capacity: AC 250V/5A, DC 30V/5A
Transmission output support 3 analog output: 0/4~20mA or 0~5/10V
EnvironmentWorking temperature:-10°C ~+55°C
Storage temperature:-25°C ~+70°C
Relative humidity is less than 93%, no corrosive gas
Elevation≤2500m
SafetyInsulation resistance >100MΩ
AC withstand voltage AC 2KV
Electromagnetic compatibilityESD level 4
Electrical fast transient burst level 4