The calibration method of Qingdao Haiyida Electronic Scale is as follows:

1. Ensure that the electronic scale is in a stable working environment without external interference, wind, vibration, etc.

2. Follow the operating instructions of the electronic scale to perform the zeroing operation, reset the display of the electronic scale to zero, and place the corresponding weight on the electronic scale according to the weight range that needs to be corrected.

3. Follow the operating instructions of the electronic scale to perform calibration operations, press specific buttons or enter specific instructions to complete the calibration process.