Digital Hand-Held Pocket Refractometer Type Pal-Bx/Ri Has A Dual Scale Measures Refractive Index (Nd) 1.3306-1.5284 And Brix 0.0-93.0% Measurement Accuracy +/- 0.0003 And +/-0.1% Brix Automatic Temp. Compensation (Atc) Ambient Temp. 4-45 C Ip 65 Water R