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>Entity
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  • >VAF
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  • >Intelligent Meters & Smart Meters
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    >Tiny Pro 6
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  • >NF29
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  • >Empower Plus
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    >Blind Measuring Module
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    >SLM-PRO
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    >Power PRO
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    >Demand Controllers & Data Loggers
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    >Revenue Grade Meters
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    >Power Factor Correction Relays
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    >Passive & Active Filter Reactors
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    >Power Capacitor
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    >Current Transformers
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    >Protection Devices
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    >Panels
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    >Energy Management Solutions
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    >Power Quality Analyzer
  • Xpert Lite

    The electrical power meter, Xpert is a micro-controller based unit which measures various electrical parameters, and sequentially displays on a 128X64 backlit LCD.

    The unit measures the three phase voltages, currents, frequency, power factors, individual Harmonic data as Histogram including Total Harmonic Distortion as well as individual current and voltage waveforms for all three phases. Based on these inputs, the system KVA, KW and KWh can also be calculated.

    For the correct operation of the unit, the only basic care required is to ensure that the phase sequence of the three phases is R-Y-B and the polarity of the CT secondary is correct.

    The unit is fully solid state and will give years of trouble-free service once installed correctly.

    Features

    • Compact 96 X 96 X 55 mm
    • Graphical Display 128 X 64
    • Accuracy: Class 1.0 & Class 0.5 (Optional)
    • Odd Harmonics up to 15th of individual Voltage and Current waveforms including THD
    • RS485 port for Communication EMS/ PLC/ SCADA (Optional)
    • Dual Source Measurement (Optional)
    • Two Relays - individually programmable for Alarm/ Trip (Optional)
    • Histogram & Tabular display of Harmonic content
    • Wave shape display for all voltages & currents
     

    Specifications

    Parameters
    Type
    Name
    Statistics
    Input Supply Three Phases and Neutral of a 3P4W system / ThreePhases of a 3P3W system
    Voltage Direct Voltage Input : 25 to 500V L-L, 20 to 300V L-N
    PT Ratio : Site Selectable
    Burden : 0.5VA
    Current Secondary Current Input : 5A or 1A (Site Selectable)
    CT Ratio : Site Selectable
    Range of Reading : 5 – 5000A
    Burden : < 1.0VA
    Overload : 5A CT = 6A RMS Continuous
    1A CT — 1.2A RMS Continuous
    PowerSupply Auxiliary Supply : 80 - 480 VAC, 50-60 Hz.
    Output Relay Two. Individually Field Programmable.5A @ 250 VAC, Resistive Load
    MEASUREMENT True RMSBasicParameters Voltage(Volts L-N & L-L) VL-N - Accuracy : 0.5% of ReadingVL-L - Accuracy : 1.0% of Reading
    Current(Amps IR, IY, IB) Accuracy : 0.25% of Reading
    Line Frequency 45 to 55 Hz, Accuracy : 0.3% of Reading
    Power Active Power (P) Accuracy : 1% of Reading(For IPFI>0.5)
    Reactive Power (Q) Accuracy : 1.5% of Reading(Between 0.5 Lag to 0.8 Lead)
    Apparent Power (S) Accuracy : 1% of Reading
    Power Factor For Individual phases and System
    Accuracy : 1.0% of Reading (IPFI=0.5)
    Range of Reading : 0.05 to 1.00 Lag/Lead
    Energy Total Active Energy (KWh) Range of Reading : 0 to 9999999.9
    Accuracy : class 1.0S
    Total Apparent Energy (KVAh) Range of Reading : 0 to 9999999.9
    Accuracy : 1.0% of Reading
    Total Apparent Energy (KVARh) Range of Reading : 0 to 9999999.9
    Accuracy : 1.5% of Reading
    PowerQuality Individual Wave form for each voltage and current
    THD for each current and voltage in three phases
    MISC. Dimensions Bezel 96 X 96 mm
    Panel Cutout 90 X 90 mm
    Depth of installation 55 mm
    Display 128X64 LCD
    Operating temp 10°C to 50°C
    Weight 0.35 Kgs (Approx.)
    Min. Operating Current 0.4% to 120% of CT primary
    Comm RS485 Modbus-RTU protocol