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KEW Wave Series VAF Meter

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Single Phase

Three Phase

KEW-VAF Meter

Features of KEW-AVM-IP:

  • Display: 3-row, 4-digit bright LED display
  • Measured Parameters:
    • V (L-L, L-N), A, Hz (Class 0.2), PF (Class 0.5), RPM, Rh, Lrh
  • Flexible Integration: Supports programmable CT/PT ratios, run hour/load hour reset, RPM pole
    setting, wide auxiliary supply, and optional MODBUS communication
  • Accuracy: ±0.1% to ±0.5% for Voltage, Current, Frequency, Power
  • Size: 96×96
Datasheet
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Specification of AC VAF Meter

  • Auxiliary Supply: 150-300V AC, 45-270V AC/DC, 19-60V AC/DC
  • CT / PT Ratio
    Programmability :
     CT Primary Range: 1A to 50kA AC (Programmable)
    CT Secondary Range: 0.5A to 5A AC (Programmable)
    PT Primary Range: 50V to 500kV AC (Programmable)
    PT Secondary Range: 50V to 500V AC (Programmable)
  • Accuracy Class: 1 & 0.5
  • VA Burden:
    • Auxiliary: < 2.5 VA
    • Voltage Input: < 0.2 VA / Phase
    • Current Input: < 0.2 VA / Phase
  • Impulse Withstand: 3.5KV for 1.2/50 micro second
  • Display: 3-Row, 4-Digit 7-Segment RED LED
  • 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°C to 50°C
  • Storage Temperature: -10°C to 60°C
  • IEC62052-11

Panel Cutout Dimensions

Terminal Connection

Applications and Industries where it is used

Electrical Panel

  • Where: AC VAF meters are used in main LT panels, distribution panels, and control panels
  • Why: To provide real-time, consolidated electrical parameter monitoring for load analysis, safety, and efficient energy management.

Building Management Systems(BMS)

  • Where: AC VAF meters are used in BMS panels to monitor voltage, current, and frequency of building electrical systems.

  • Why: To enable centralized monitoring, detect abnormalities, and ensure stable and efficient operation of critical infrastructure.

Generator / DG Set Panels

  • Where: AC VAF meters are used on the output side of Generator / DG Set panels to continuously monitor voltage, current, and frequency supplied to the load

  • Why: To ensure the generator operates within safe electrical limits and to protect connected equipment from abnormal power conditions.

     

Commercial Sub Metering / Retail Malls

  • Where: AC VAF meters are used in main and tenant-level distribution panels of commercial sub-metering systems in retail malls

  • Why: To provide real-time electrical parameter monitoring for each tenant or zone, ensuring accurate billing, load balancing, and early detection of power issues.

     

Ordering Information

Model Measuring Range Accuracy Aux Supply Dimensions (MM)
ACVAFM-BG-1V (96×96) Voltage (Line to Line)
Voltage (Line to Neutral)
Current Frequency (Class 0.2)
RPM
Load Hours		 0.5
1.0		 • 150–300V AC (TX Supply)
• 45–270V AC/DC
• 19–60V AC/DC		 96×96
Model Measuring Range Accuracy Aux Supply Dimensions (MM)
ACVAFM-BG-3V (96×96)
Voltage (Line to Line) Voltage (Line to Neutral) Current Frequency (Class 0.2) Power Factor (Cos Φ) RPM, Load Hours, Run Hou
0.5 / 1.0
• 150–300V AC (TX Supply) • 45–270V AC/DC • 19–60V AC/DC
96×96