Analog Refractometer, High Precision, Coolant/Battery ( Degrees F), Range 32 Degrees to -60 Degrees F Ethylene Glycol, 32 Degrees to -60 Degrees F Propylene Glycol, 0-63 Propylene Glycol, 0-70 Ethylene Glycol, 1.100-1.400 Electrolyte Specifc Gravity,...