Features: * The refractometer is designed according to the principle of different concentration of liquid having different refractive index. * Specially designed to apply for automatic cars/vehicles battery antifreeze fluids glycol testing and analyzing. * Allows easy steps for quick and accurate testing/analyzing the glycol concentration of engine coolants or other anti-freeze solutions. * Equipped with ATC (Automatic Temperature Compensation), can automatically adjust Specifications:
Type Refractometer Model RHA-503ATC Reference Temperature 20C Measuring Range: Propylene Glycol -50 to 0C Ethylene Glycol -50 to 0C Cleaning Fluids -40 to 0C Battery Fluids 1.10-1.40sg Resolution Factor: Propylene Glycol 5C Ethylene Glycol 5C Cleaning Fluids 5C Battery Fluids 0.01sg