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DC Voltmeter

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Single Phase

Three Phase

KEW-AC Voltmeter

Features of KEW-AVM-IP:

  • Display: 7-Segment 4-Digit LED Display
  • Voltage Range:
    • Direct: 0–750V
    • PT Operated:
      • Primary: 50–500KV
      • Secondary: 50–500V
  • Auxiliary Voltage: 45–230V AC/DC (customizable)
  • Accuracy Class: 0.5–2
  • Size: 96×96, 72×72, 48×96 mm (customizable)

Specification of AC Single Phase Voltmeter

  • Auxiliary Supply: 150-300V AC, 45-270V AC/DC, 19-60V AC/DC
  • Input Measuring Voltage:
    • Direct:
        o 0-750V (Direct) or
    • PT Operated:
        o PT Primary: 50-500KV
        o PT Secondary: 50 to 500V.
  • Accuracy Class: 1 & 0.5
  • VA Burden:
    • Auxiliary: < 1.5VA
    • Voltage Input: <1.0VA
  • Frequency Response: 40-400 Hz
  • Maximum Overload at Input Measurement Side: Voltage
    1.2 Times Continuous
  • Dielectric strength at Auxiliary Side : 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
  • 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 Manufacturing

  • Where: Mounted on control panels, distribution boards, and starter panels.
  • Why: To continuously monitor supply voltage and ensure safe, regulated power delivery to connected loads.

Solar Power Systems

  • Where: Installed in solar inverter panels and AC distribution boxes.

  • Why: To track output voltage from inverters, ensuring stable and safe grid or load connection.

EV Charging Infrastructure

  • Where: Integrated into charging station panels and test benches.

  • Why: To monitor incoming AC voltage, protecting EV chargers and validating supply conditions before operation.

Industrial Automation & Factories

  • Where: Used in machinery control panels and equipment enclosures.

  • Why: To detect voltage instability which can disrupt automation processes or damage sensitive components.

Telecommunication Sites

  • Where: Fitted in BTS (Base Transceiver Station) power panels and telecom shelters.

  • Why: To ensure consistent voltage supply to network equipment, preventing signal drops or equipment shutdowns.

Testing & Calibration Labs

  • Where: Installed on testing benches and electrical simulators.
  • Why: To verify voltage inputs during equipment testing and calibration procedures.

Ordering Information

Model Measuring Range Accuracy Aux Supply Dimensions (MM) Panel Cutout
ACVM-BG-1V (96×96) 0–10V / 20V / 30V / 100V / 750V AC 0.5 / 1.0 150–300V AC / 45–270V AC/DC / 19–60V AC/DC 96×96×39.5 92×92
ACVM-SG-1V (72×72) 20–750V AC 0.5 / 1.0 15–300V AC / 45–270V AC/DC / 19–60V AC/DC 72×72×59 68×68
ACVM-RECT-1V (48×96) 20–750V AC 0.5 / 1.0 45–270V AC/DC 48×96×74 44×92
Model Measuring Range Accuracy Aux Supply Dimensions (MM) Panel Cutout
ACVM-BG-1V (96×96)
0–10V / 20V / 30V / 100V / 750V AC
0.5 / 1.0
150–300V AC / 45–270V AC/DC / 19–60V AC/DC
96×96×39.5
92×92
ACVM-SG-1V (72×72)
20–750V AC
0.5 / 1.0
15–300V AC / 45–270V AC/DC / 19–60V AC/DC
72×72×59
68×68