| 摘要 |
A seat weight measuring device reduces the temperature difference generated between the resistances of measuring gauges, even when a sudden ambient temperature change occurs. Heat due to ambient temperature is transferred through a column. As a washer interposed between a sensor plate and a nut and a washer interposed between the sensor plate and the column are composed of a material having low heat conductivity and providing electrical insulation, the heat transferred through the column is prevented from being transferred to the sensor plate by the washers. Accordingly, even when the ambient temperature changes suddenly, the temperature difference between the resistances of the strain gauges is reduced. Moreover, the washers provide electrical insulation between the sensor plate and the column.
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