Digital Refractometer Accuracy 0.5 Deg.

Digital Refractometer Automatic Range 1.000 to 1.463 Battery Electrolyte SG 32 Degrees to -60 Degrees F Propylene Glycol 32 Degrees to -65 Degrees F Windshield Fluid 32 Degrees to -70 Degrees F Ethylene Glycol Automatic Temperature Compensation Yes Accuracy 0.003 SG battery electrolyte 0.5 deg F Glycol 2 deg F Winshield Fluid Resolution 0.003 SG Battery Electrolyte 0.5 deg F Glycol 2 deg F Windshield Fluid