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 Concentration of An Aqueous Solution By Measuring Its Refractive Index, Specific Gravity 1.15 to 1.3, Freezing Point -60 Degrees to 32 Degrees F Propylene Glycol. This item has been restricted from sale in the following state (s): []