The problem here is calibration and it is normal for any new system. You need to calibrate the force sensor by manually taring its output using the offset value you are getting. You need to find a way to set the no-load output to zero by working with the present value you are getting. Check here for more useful information: https://tacunasystems.com/knowledge-base…easuring-chain/ AND https://tacunasystems.com/knowledge-base…weighing-scale/