Three phase multi-function instrument 1.Three phase meter 2.Digit register or LCD display 3.With or without batter

 PERFORMANCE CHARACTERISTICS

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 / reactive energy measurementDivision of electric energy metering, time-sharing power timing meter readingMeasurement of three-phase voltage, three - phase current total harmonic distortion ( THD ), 2-31 odd harmonic componentTo provide a nixie tube or liquid crystal display, local data queryMenu button intuitive, simple operationCurrent, voltage gain ProgrammableProvide multiple circuit leakage current monitoringProvide multiple loop control nodes, can be used for the alarm, trip controlSupport for fire control, remote cut off the fault circuitSupport for RS-485 communication, Modbus-RTU protocolSupport for switching input, output, analog quantity transmitting outputConvenient installation, wiring is simple, small engineering

    TECHNICAL INDEX

Accuracy of measurementVoltage level 0.5Current level 0.5Active power 0.5Reactive power level 0.5Frequency ± 0.02HzActive electric energy class 0.5S or class 0.2SReactive energy grade 1 or grade 2Power factor 0.5Signal inputConnection mode of four phase three wire, three phase three lineRated voltage of AC 57.7V, AC 100V, AC 220V, AC 380VRated current AC1A, AC 5AOverload voltage: 1.2 times ( Continued ), 2 times / second ( instantaneous ) current: 1.2 times ( Continued ), 10 times /5 seconds ( instantaneous )Power consumption voltage: <1VA/, current: <0.4VA/phaseImpedance voltage: >300KΩ, current: <20mΩThe frequency 45~65HzAuxiliary power supplyWorking range AC/DC 80V~270VPower consumption <4VAFunction moduleCommunication interface 1 way RS-485 communication, Modbus-RTU protocol baud rate: 1200~9600bps, the default 2400bpsSwitch input support 4 stem node inputThe switch output support 3 relay output, capacity: AC 250V/5A, DC 30V/5ATransmission output support 3 analog output: 0/4~20mA or 0~5/10VElectric energy pulse output support 2 electric energy pulse output, constant: 8000imp/KWh ( Kvarh )Electromagnetic compatibilityESD level 4Electrical fast transient burst level 4Surge ( impact) level 4Outline dimensionsFrame size ( mm ) of 120*120, 80*80, 96*48, 96*96, 80*80, 48*48, 120*60, 160*80

quantityA wide range of AC / DC power supply: AC/DC 80V~270V

Good quality three phase multi-function digital ammeter and voltmeter