Measurement accuracy is expressed as something like "0.15% of rdg", but how is it calculated if the reading value is negative?

使用最新技術實現高可靠性、高品質、和出色的操作性能。 µR10000 & µR20000使用寬度為100和180毫米的記錄紙，具有網絡功能等多種功能。
可選配SD卡插槽。