Hand Held Refractometers 1.Brix(0~20/32/80/90 Range) 2.Salinity (0~10/28 Range) 3.Industries Fluid (0~20/32 Range) 4.Battery/Coolant/Clearance 5.Brake-Check Oil 6.Serum Protein/Urine Gravity 7.Honey/Wine/Alcohol 8.Emulsifier/Milk/Gemological