MASTER-4M has a measuring range between the MASTER-2M and the MASTER-3M (measurement range Brix 45.0 to 82.0%). The MASTER-4M is the successor model of the conventional model, N-4E. The MASTER-4M 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.