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Square white dial panel voltmeter 72mm with black scale and adjustment knob

Unique-Bargains

Unique-Bargains AC 0-500V Panel Voltmeter 72mm Square

SKU CH-ZHAF-MWASD

Measures AC voltage up to 500 V with Class 1.5 accuracy in a 72 mm square panel mount

  • TypeHI - Test & Measurement Tools
  • Measures AC voltage up to 500V for high-range panel monitoring
  • Class 1.5 accuracy ensures reliable readings across the full scale
  • Clear dial with fine-tuning button allows precise calibration
  • Compact 72mm square fits standard panel cut-outs
  • Operates from -20°C to +50°C for harsh environments

Panel Voltmeter 0-500V AC

This analog panel voltmeter measures AC voltage from 0 to 500 V with Class 1.5 accuracy. It is intended for technicians, engineers and hobbyists who need a permanent voltage indication on control panels, test benches or equipment enclosures. The 72 mm square dial provides a clear scale for quick visual checks.

Operating Range and Mounting

The meter operates reliably between -20 °C and +50 °C, making it suitable for indoor and protected outdoor cabinets. A vertical mounting orientation and a 5 mm thread diameter simplify installation in standard panel cut-outs. Total depth behind the panel is 58 mm, while the dial face measures 72 x 72 x 45 mm.

Replacing Smaller or Less Accurate Meters

This unit replaces smaller dial instruments when a larger 72 mm scale improves readability at a distance. It also upgrades from lower-accuracy movements where Class 1.5 precision is required for compliance or calibration routines. The jump is worthwhile when panel space allows the 72 mm footprint and the 0-500 V range matches the application.

Highlights

  • Measures AC voltage up to 500V for high-range panel monitoring
  • Class 1.5 accuracy ensures reliable readings across the full scale
  • Clear dial with fine-tuning button allows precise calibration
  • Compact 72mm square fits standard panel cut-outs
  • Operates from -20°C to +50°C for harsh environments

Specifications

BrandUnique Bargains
TypeHI - Test & Measurement Tools

Questions about this item

How do I install the 72mm square voltmeter in a panel cut-out?

Cut a 72 x 72 mm opening, insert the meter from the front, and secure it with the vertical mounting brackets; the case depth is 45 mm and the total depth including terminals is 58 mm, so allow that clearance behind the panel.

What maintenance will the meter need over time?

The moving-coil mechanism and the fine-tuning button may need occasional recalibration to keep the Class 1.5 accuracy, and the 5 mm and 2.5 mm terminal threads should be checked for tightness after vibration or temperature cycling.

At what point does sustained use hit a limit?

Continuous operation above 50 °C or below –20 °C exceeds the rated operating range and can cause drift beyond the 1.5 % accuracy class.

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