... mistake of numerical value judgment . It is almost can used for all fruit juice, food and beverage, etc liquid measurement. The ... series refractometer in different model can respectively used for test the Refractive index, BaiLi degrees brix,, salinity, alcohol, can ... ×40mmNet Weight:200gWZB Series Portable Digital Refractometer Portable Digital Refractometer For Serum and Urine(Cat)