To ensure the accuracy of the load cell, calibration is required every time when load cell or/and convert module is/are replaced. Steps as following:

1.Enter 'calibration' function from the main interface
2.Enter the load cell number that is to be tested
3.Press 'zero' to confirm
4.Place the 1kg load onto the weigh hopper, then press' full' to confirm
5.To observe if the displayed weight is equal to the 1kg load. If not, repeat the same procedure