产品名称：华志比重密度天平HZY-A400密度计HZY-A（双精度、双量程）比重密度天平量程及精度：100g/0.001g和200g/0.005g;200g/0.001g和400g/0.002g;300g/0.001g和400g/0.002g400g/0.001g和600g/0.005g秤盘尺寸：90MM秤体尺寸：295*208*305MM型号***大称量可读性称盘尺寸HZY-A100100g/300g0.001g/0.005g￠90HZY-A200200g/400g0.001g/0.005gHZY-A300300g/400g0.001g/0.002gHZY-A400400g/500g0.001g/0.002g)