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KEW Wave Series AC Frequency Meter

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Single Phase

Three Phase

KEW-AC Frequency Meter

Features of KEW-AVM-IP:

  • Display: 7-Segment 4-Digit LED Display
  • Measured Parameters: Frequency (Hz) – True RMS Measurement
  • Input Frequency Range: 40–615 Hz
  • Accuracy: ±0.2% of Full Scale
  • Size: 96×96
Datasheet

Specification of AC Frequency Meter

  • Auxiliary Supply: 150-300V AC, 45-270V AC/DC, 19-60V AC/DC
  • Accuracy Class: 1 & 0.5
  • VA Burden:
    • Auxiliary: < 1.5VA
  • Maximum Overload: Voltage
    1.2 Times Continuous
  • Dielectric strength: 2.5KV @50 Hz for 1
    min
  • Impulse Withstand: 3.5KV for 1.2/50 micro second
  • Display: 4 Digit 7 Seg RED LED Display
  • Digit Height: 0.56”/14.2mm
  • Display Stability: With in +-1 Digit
  • Decimal Point: Auto Scrolling and Manual
  • 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 electrical panels of industrial machines, generators, and substations.
  • Why: To monitor the real-time frequency (Hz) and ensure stability within standard limits for proper equipment operation.

Building Management System(BMS)

  • Where: AC frequency meters are used in the power distribution panels of Building Management Systems (BMS).

  • Why: To monitor and maintain stable frequency levels for efficient operation of HVAC, lighting, and critical building infrastructure.

Generator / DG Set Panels

  • Where: AC frequency meters are used in Generator / DG Set panels to monitor output frequency.

  • Why: To ensure the generator maintains a stable 50/60 Hz frequency for safe and reliable power supply to connected loads.

     

Commercial Sub Metering / Retail Malls

  • Where: AC frequency meters are used in main distribution panels for commercial sub-metering in retail malls.

  • Why: To continuously monitor supply frequency and ensure stable power quality across individual tenant loads.

Ordering Information

Model Measuring Range Accuracy Aux Supply Dimensions (MM)
ACFM-BG-1Hz (96×96) 40–615 Hz 0.2% of Full Scale 50–300V AC (TX Supply), 45–270V AC/DC, 19–60V AC/DC 96×96
ACFM-SG-1Hz (72×72) Coming soon Coming soon Coming soon Coming soon
ACFM-RECT-1Hz (48×96) Coming soon Coming soon Coming soon Coming soon
Model Measuring Range Accuracy Aux Supply Dimensions (MM)
ACFM-BG-1Hz (96×96)
40–615 Hz
0.2% of Full Scale
150–300V AC (TX Supply), 45–270V AC/DC, 19–60V AC/DC
96×96