How is the mechanical zero error of a panel meter corrected?

How is the mechanical zero error of a panel meter corrected?

Right Answer is:

By adjusting Screw

SOLUTION

To correct the mechanical zero error of a panel meter, the appropriate method involves adjusting a screw that is specifically designed for this purpose. This adjustment is referred to as the mechanical zero setting of the meter.

  1. Open Circuit: Ensure that the terminals of the meter are open (not connected to any circuit).
  2. Locate the Zero-Adjust Screw: Find the screw on the panel meter that is used for zero adjustment.
  3. Adjust the Screw: Turn the screw slowly until the pointer aligns exactly with the zero mark on the scale.

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