黄土马家

Multimeter calibrator

Overview

This design is a multimeter calibrator calibrator 12V power supply
With voltage and current calibration function
The marked voltage port has 5 levels of calibration: 5v 4v 3v 2v 1v
The current has 2 levels of calibration 2A and 200MA selected by the current pin
The resistor end has 5 levels of calibration: 100 50k 250k 450k 650k

Design Files

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Update:2025-06-23 08:51:48

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