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Rectangular analog panel ammeter with clear face and black bezel, 55 by 63 mm

Unique-Bargains

Unique-Bargains 85C1 DC 0-150mA Panel Ammeter Class 2.5 55x63mm

SKU CH-D9T1-7CYTF

Analog DC panel ammeter measuring 0–150 mA with Class 2.5 accuracy in a 55 × 63 mm case

  • Measures DC current up to 150 mA with Class 2.5 accuracy
  • Panel cut-out 55 by 63 mm fits standard instrument panels
  • Front-frame scale change via fan-shape adjuster speeds calibration
  • 3 mm thread and 55 mm depth allow secure panel mounting
  • Suited for control, distribution, marine and aviation panels

85C1 DC panel ammeter for control panels

This analog meter measures direct current from 0 to 150 mA with Class 2.5 accuracy. It mounts in a 55 by 63 mm rectangular cutout on display or switch panels. The unit is intended for electronics, automatic control, mechanical equipment, shipbuilding and aviation applications. Buyers who need a wider current range or digital readout should look elsewhere.

Capacity and headroom at Class 2.5

The scale covers DC 0 to 150 mA and the stated accuracy class means readings stay within 2.5 % of full scale. A separate DC 0 to 150 mA current shunt resistor must be wired in parallel before measurements can be taken. Without that external shunt the meter cannot function, so the effective range is fixed by the accessory you provide.

Build quality and mounting implications

The case depth is 55 mm and the mounting thread diameter is 3 mm, allowing a secure panel fit. A fan shaped adjuster on the front lets you change the scale without removing the frame. The rectangular brass movement suits industrial panels where vibration and temperature swings are common.

Front scale adjustment without frame removal

The fan shaped adjuster lets technicians recalibrate or change the scale face while the meter stays mounted in the panel. This reduces downtime on control systems and power distribution boards where the 85C1 is installed. The 3 mm mounting thread and 55 mm body depth fit standard industrial cutouts.

Highlights

  • Measures DC current up to 150 mA with Class 2.5 accuracy
  • Panel cut-out 55 by 63 mm fits standard instrument panels
  • Front-frame scale change via fan-shape adjuster speeds calibration
  • 3 mm thread and 55 mm depth allow secure panel mounting
  • Suited for control, distribution, marine and aviation panels

Specifications

BrandUnique Bargains

Questions about this item

Will the 55 x 63 mm panel cut-out match the opening in my existing switch panel?

The meter needs a 55 mm by 63 mm rectangular cut-out and a 3 mm mounting thread; check your panel dimensions before fitting.

How do I verify the Class 2.5 accuracy after wiring the DC 0-150 mA range?

Apply a known DC current up to 150 mA through the required external shunt and confirm the needle reads within ±2.5 % of full scale.

Does the package include the external shunt resistor the note says is required?

No, a separate DC 0-150 mA current shunt must be purchased and wired in parallel before the meter will read correctly.

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