Can this economy digital scale be calibrated?
Yes, this scale can be calibrated. To calibrate the scale, please see the following.
1) To calibrate, or balance, the scale, Press the "CAL" button for three seconds. Once the display shows "CAL" stop pressing the button.
2) Press the "CAL" button again. Place an item that weighs 5.5lbs (2500 G) on the scale. Press the "CAL" button again. The display will show "0". Keep the item on the platform.
3) Place another item weighing 5.5lbs on the platform. Press the "CAL" button again. The display will show "ACC", meaning the scale is successfully calibrated.