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KEW AC Double Source Energy Meter

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Single Phase

Three Phase

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KEW-AC Double Source Energy Meter

Features of KEW-AVM-IP:

  • Display: 2-row, 6-digit bright LED display
  • Measured Parameters:
    • 1Ø: V (L–N), A, W, VA, VAR, PF, Hz, kWh, kVAh
      3Ø: V (L–N,
  • Flexible Integration: RS-485 & MODBUS RTU (optional), programmable CT/PT ratios,
    multi-range auxiliary input
  • Accuracy: ±0.5% for Voltage, Current, Power, and Energy
  • Size: 96×96 (customizable)
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Specification of AC Double Source Energy Meter

  • Auxiliary Supply: 150-300V AC, 45-270V AC/DC, 19-60V AC/DC
  • CT / PT Ratio
    Programmability:
    • PT Primary: 50 to 500kV AC, PT Secondary: 50 to 500V AC,
    CT Primary: 1A to 50kA AC, CT Secondary: 0.5A to 5A AC
  • VA Burden:
    ▪ Auxiliary Supply: <1.5 VA
    ▪ Voltage Input: <0.2 VA/Phase
    ▪ Current Input: <0.2 VA/Phase
  • Prameters to
    measured:     V (RMS Voltage 20–600V), A (RMS Current 0.020–10.00A),
    kW (Active Power 0.030–6.000), PF (0.3 Lag–1.0–0.3 Lead), Hz
    (45–65), kWh (0–999999.99), kVAh (0–999999.99
  • Impulse Withstand: 3.5KV for 1.2/50 micro second
  • Display: 2-row, 6-digit bright LED display
  • Digit Height: 0.56”/14.2mm
  • Mounting Type: Panel Mount
  • Faceplate: Polycarbonate Transparent
  • Case/Housing Material: FR-ABS Black
  • Connectors/Terminal: Nylon 666, 33%GF
  • Mounting Clamps: Sturdy, Moulded Glass filled nylon with screws
  • Working Temperature: 0 to 60 degree C
  • Storage Temperature: 0 to 55 degree C
  • IEC62052-11

Panel Cutout Dimensions

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Terminal Connection

Applications and Industries where it is used

Industries

  • Where: AC dual source energy meters are used in industrial panels where two power sources—like utility grid and generator or solar—feed the same load.
  • Why: To measure and compare energy consumption from each source separately, enabling accurate cost allocation, load management, and power source optimization.

HVAC

  • Where: AC dual source energy meters are used in HVAC control panels connected to both utility and backup power sources.

  • Why: To monitor energy consumption from each source, ensure continuous HVAC operation, and optimize energy usage during power source switching.

Commercial Buildings

  • Where: AC dual source energy meters are used in main distribution panels of commercial buildings with dual power inputs like utility and DG/Solar.

  • Why: To measure energy drawn from each source separately for accurate billing, energy auditing, and power source management.

Utility Panels

  • Where: Used in utility panels where power is sourced from both the main grid and an alternative supply like DG or solar.

  • Why: To track and differentiate energy consumption from each source for load balancing, billing accuracy, and efficient energy distribution.

Ordering Information

Model Parameters Displayed Accuracy Aux Supply Dimensions (MM)
ACDEM-BG-1WhVah (96×96) Voltage (L-N), Current, Frequency,
Power Factor, Active Energy (kWh),
Apparent Energy (kVAh), Active Power		 0.5
1.0		 45–270V AC/DC
19–60V AC/DC
150–300V AC		 96×96
Model Measuring Range Accuracy Aux Supply Dimensions (MM)
ACDEM-BG-1WhVah (96×96)
Voltage (L-N / L-L), Current, Frequency, Power Factor, Active Energy (kWh), Apparent Energy (kVAh), Load Hours
0.5 / 1.0
45–270V AC/DC 19–60V AC/DC 150–300V AC
96×96