MASTER-3M is high-range model (measurement range Brix 58.0 to 90.0%) of the MASTER-M. MASTER-3M is the successor model to the conventional N-3E.The MASTER-3M is a good alternative choice when the water resistant feature is not a priority and the Temperature Compensation will be carried out manually. Not equipped with the Automatic Temperature Compensation feature. * 以 标准液态规格LB ( RE-2100-83N ) 作为刻度设定。