Mettler-Toledo International Trading (Shanghai) Co., Ltd.

Mettler Toledo (Changzhou) Measurement Technology Ltd.

Mettler-Toledo (Changzhou) Measurement Technology Co., Ltd.

Mettler-Toledo (Changzhou) Precision Instruments Ltd.

Mettler-Toledo (Changzhou) Precision Instrument Co., Ltd.

Mettler Toledo (Changzhou) Precision Instrument Ltd.

Mettler-Toledo Measurement Technology Ltd.

Mettler-Toledo International Trading Co., Ltd.

GenJun Ji

Shenhui Wang

Song Zhang

Douglas Bliss

ShaoWen Zheng

ZhiQiang Wang

Qiang Fu

Jinkang Han

YiWen Ge

Yujuan Zha

Jinli Li

Zhiqiang Wang

Shaowen Zheng

Methods and systems for eccentric load error correction are disclosed. A plurality of weighing data sets for a weight having a mass value are obtained, where the weight is loaded at different positions on a weighing platform of a weighing device. Differences between each of the weighing data sets and the average value of the plurality of weighing data sets or the mass value of the weight are calculated. Sensor correction coefficients are calculated and updated when the maximum absolute value of the differences exceeds a pre-set threshold. The weighing data sets are updated. The above steps are repeated until the absolute values of all the differences are less than the pre-set threshold.

Method and system for eccentric load error correction

A platform scale uses a method of detecting a center-of-gravity (COG) offset. A weight value of a load on a weighing platform is calculated. The weighing platform is allowed to reach a steady state. When the weight value exceeds a COG offset threshold, then a position of a load COG is calculated using a load COG position algorithm. Whether the calculated position is in a valid region of the weighing platform is determined. The weight value is displayed if the position is within the valid region; otherwise, the position of the COG is displayed. A display apparatus of the scale displays the weight value or the position of COG of the load. The platform scale alerts a user about a possible invalid weighing event by displaying an image indicative of the COG offset condition, ensuring effective and precise weighing.

Center of gravity offset detection method and platform scale

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Changzhou, China

GenJun Ji