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Rectangular black panel meter with white analog face, AC 30A scale, panel-mount terminals

Unique-Bargains

Unique-Bargains DH-670 AC 30A Class 2.0 analog ammeter electrician tool

SKU CH-DVQS-YB6MQ MPN DH-670

Analog panel ammeter measures AC current up to 30 A with Class 2.0 accuracy and a 2.7 x 2.3 inch face

  • Measures AC current up to 30A for panel monitoring
  • Class 2.0 accuracy ensures reliable readings in control systems
  • Direct connection design eliminates need for external current transformer
  • Compact 72g panel-mount fits standard switch panels
  • Rectangular face with black-on-white scale for clear visibility

Panel-mount analogue ammeter

The Unique-Bargains DH-670 is a direct-connection AC ammeter rated for 30A with Class 2.0 accuracy. It mounts on display or switch panels to monitor battery and electrical systems in control and power-distribution equipment. The rectangular face measures approximately 2.7 x 2.3 inches with a black scale on a white background for clear reading. Installing parts are included for panel mounting.

Passive analogue operation

The meter draws its operating energy from the measured circuit itself, so it adds no separate power demand and produces no fan or coil noise. With a net weight of 72g and an overall depth of 1.3 inches, it imposes minimal thermal load inside an enclosure. Class 2.0 accuracy means the indication stays within 2.0 percent of full scale under normal conditions. No external current transformer is required for the 30A range.

Panel integration requirements

A cut-out matching the 2.0-inch base diameter and screw spacing of 1.1 or 1.9 inches is needed, with a mounting thread of 0.19 x 0.4 inches. The 1.3-inch overall depth must clear internal wiring and other components behind the panel. Because it is a direct-connection type, the circuit conductor must be routed to the meter terminals, which suits panels where a separate transformer would not fit. Builders needing DC measurement or higher current ranges without a transformer cannot use this model.

Highlights

  • Measures AC current up to 30A for panel monitoring
  • Class 2.0 accuracy ensures reliable readings in control systems
  • Direct connection design eliminates need for external current transformer
  • Compact 72g panel-mount fits standard switch panels
  • Rectangular face with black-on-white scale for clear visibility

Specifications

BrandUnique Bargains

Questions about this item

How do I panel-mount the DH-670, and which screw spacing do people mix up?

Cut a 5 cm diameter hole, then use the 2.8 cm or 4.8 cm screw centres; the 4.8 cm pair is often chosen by mistake.

What part of this analog meter wears out and needs replacement?

The moving-coil mechanism and pivot jewels fatigue over time; the whole DH-670 unit is replaced when accuracy drifts beyond Class 2.0.

At what sustained current does the DH-670 hit its limit first?

The 30 A full-scale rating is the ceiling; continuous operation at or above 30 A overheats the movement and loses Class 2.0 accuracy.

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