2)密度计:DMA4500或DMA5000
测量范围:0 - 3g/cm3
测量准确度:0.00005 g/cm3(DMA4500), 0.000005 g/cm3 (DMA5000)
重复性标准差:0.00001 g/cm3(DMA4500),0.000001 g/cm3(DMA5000)
温度准确度:0.03℃(DMA4500),0.01℃(DMA5000)
温度重复性标准差:0.01℃(DMA4500),0.001℃(DMA5000)