Refractometer, Glycol Fluid, Range -60 Degrees to 32 Degrees F, 1.15 to 1.3, Automatic Temperature Compensation No, Accuracy +/-0.2 Percent, Resolution 0.01 Battery Fluid,+/10F,+/-5C Propylene Glycol,+/-F,+/-5C Ethylene Glycol, Function Measures the...