CALL: A.WIHARTA 081294124885 085778084789 087784022201   Info Produk MASTER series Refractometer ( Automatic Temperature Compensation & water Resistant) MASTER-P± The MASTER-P± is the plastic body model of the MASTER-± . The plastic body model is designed to be resistant salty and acidic samples. It is convenient for measuring a variety of sauces, soy sauce, seasoning in liquid form as well as for low-sugar jams and spreads. It is an Automatic Temperature Compensation ( ATC) model with water resistant properties ( IP65) .