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AC LCD Multifunction Meter

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Three Phase

KEW-AC LCD Multifunction Meter

Features of KEW-AVM-IP:

  • Display: 128×64 Graphical LCD with White Backlight
  • Measured Parameters:
    • Voltage, Current, Power (kW, kVA, kVAR), PF, Frequency, Energy
      (kWh, kVAh, kVARh), THD, Demand, Load Hour, RPM
  • Special Features: Programmable CT/PT Ratios, Alarm Relay Outputs, TRMS Measurement, Event Logging with RTC RS-485 MODBUS RTU, USB Host (Optional)
  • Accuracy: ±0.5% / ±0.1% for key electrical parameters
  • Size: 96×96
Datasheet

Specification of AC LCD Multifucntion Meter

  • Auxiliary Supply: 150-300V AC, 45-270V AC/DC, 19-60V AC/DC
  • CT / PT Ratio Programmability:
    User Programmable via Keypad
    CT Ratio Range: 1–9999
    PT Ratio Range: 1–9999
  • Accuracy: ±0.5% / ±0.1% for key electrical parameters
  • VA Burden:
    • Auxiliary: < 2.5VA
    • Voltage Input: <0.2VA/Phase
    • Current Input: <0.2VA/Phase
  • Input CT/PT
    Programmable
    Range:     CT Input: 0.020A – 10.00A / 0.5A to 50A AC (Programmable)
    PT Input: 50V to 500kV AC (Programmable)
  • Impulse Withstand: 3.5KV for 1.2/50 micro second
  • Display: 128×64 Graphical LCD, White Backlight (MultiPage)
  • Digit Height: 0.56”/14.2mm
  • Display Stability: With in +-1 Digit
  • Decimal Point: Auto Scrolling and Manual
  • Refresh Rate: Per 8.0ms
  • 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

Terminal Connection

Applications and Industries where it is used

Electrical Panel

  • Where: Used in main LT and distribution panels to display key electrical parameters in real-time.
  • Why: To ensure accurate monitoring of voltage, current, power, power factor, frequency, and energy for efficient load and energy management.

Building Management Systems (BMS)

  • Where: Installed in BMS control panels to monitor electrical performance of critical building systems like HVAC, elevators, and lighting.

  • Why: To provide centralized, real-time visibility of power usage for operational efficiency and preventive maintenance.

Generator / DG Set Panels

  • Where: Used on the output side of Generator / DG Set panels to monitor three-phase output and system health.

  • Why: To track generator load, power quality, and operational metrics for safe and reliable backup power delivery.

Commercial Sub-Metering / Retail Malls

  • Where: Installed in tenant and zonal distribution panels to monitor multiple electrical parameters in retail or multi-tenant environments.

  • Why: To provide clear, digital insights into tenant-wise energy usage for accurate billing and load balancing.

Ordering Information

Model Measuring Range Accuracy Aux Supply Dimensions (MM)
ACLMM-BG-1V (96×96) • CT Range: 0.020 – 10.00A AC (Programmable)
• PT Range: 50V – 500kV AC (Programmable)
Direct Connection or via CT/PT 		0.5
1.0		 150–300V AC / DC
45–270V AC / DC
19–60V AC / DC 		96×96