4支组空气释放值密度计量程(kg/m3)分度值(kg/m3)全长(mm)标温(℃)读数方式830~8400.5120 1020下缘840~8500.5120 1020下缘850~8600.5120 1020下缘860~8700.5120 1020下缘5支组空气释放值密度计量程(kg/m3)分度值(kg/m3)全长(mm)标温(℃)读数方式1110~11200.5120 1020下缘1120~11300.5120 1020下缘1130~11400.5120 1020下缘1140~11500.5120 1020下缘1150~11600.5120 1020下缘