Abstract
The hysteresis characteristic, which is caused by body material, body form, strain gauge, adhesives, etc., is included in one of the output characteristic of a load cell. And it has become the main factors of a measurement error. We create the function that approximates a hysteresis error characteristic curve to compensate a hysteresis error correctly by combining two or more functions. We hit on an idea of the method of carrying out error compensation and approximated this characteristic correctly. We enforced this method to the Roberval mechanism load cell and acquired the desirable result for attaining the required accuracy of measurement equipment.
