种类一：L 20 series acc. to BS 718，Ref. temperature (Tp.): 15 °C，Measuring span: 0.020 g/cm³，Scale units: 0.0002 g/cm³，Total length (L): 335 mm。

种类二：L 50 series acc. to BS 718，Ref. temperature (Tp.): 15 °C，Measuring span: 0.050 g/cm³，Scale units: 0.0005 g/cm³，Total length (L): 335 mm。

种类三：M 50 series acc. to BS 718，Ref. temperature (Tp.): 15 °C，Measuring span: 0.050 g/cm³，Scale units: 0.001 g/cm³，Total length (L): 270 mm。

种类四：L 20 series acc. to DIN 12791，Ref. temperature (Tp.): 20 °C，Measuring span: 0.020 g/cm³，Scale units: 0.0002 g/cm³，Total length (L): 430 mm。

种类五：L 50 series acc. to DIN 12791，Ref. temperature (Tp.): 20 °C，Measuring span: 0.050 g/cm³，Scale units: 0.0005 g/cm³，Total length (L): 335 mm。

种类六：M 50 series acc. to DIN 12791，Ref. temperature (Tp.): 20 °C，Measuring span: 0.050 g/cm³，Scale units: 0.001 g/cm³，Total length (L): 270 mm。