A&D AD-4212A/B Span Calibration Guide

Span calibration adjusts the weighing accuracy using a known reference weight.

Procedure

1. Complete zero calibration.

2. Display required calibration mass.

3. Place certified weight on pan.

4. Press PRINT.

5. Wait for calibration process.

6. Display shows END.

7. Remove weight.

Always use Class F1 or better certified calibration weights for best accuracy.