Specifications : Ethylene Glycol: -50C-0C Propylene Glycol: -50C-0C Battery Fluids: 1.100-1.400sg Resolution Factor: Propylene Glycol:5C Ethylene Glycol :5C Cleaning Fluids:5C Battery Fluids:0.01sg ATC(Automatic Temperature Compensation) Compensation Range: 10C-30C (50F-86F). Size: 16cm x 8cm x 4cm. This optical refractometer is designed for measuring of following characteristics : * Scale to determine the battery electrolyte condition Scale range: 1.10~1.40kg/l Resolution: 0.01kg/l * Scale G13 - to determine the freezing point of propylene glycol-based antifreezes This scale is suitable for measuring of freezing point of propylene glycol-based coolants and antifreezes. It can be also used for measuring of propylene glycol-based antifreezes in solar thermal collectors circuits or heating pumps and chillers. Range of scale G13(Propylene Glycol): -50~0C Resolution: 1C * Scale G11/G12 - to determine the freezing point of ethylene glycol-based antifreezes This scale is designed for measuring of the freezing point ethylene glycol-based coolants and antifreezes like G11 and G12 coolants. Range of scale G11/G12(Ethylene Glycol): -50~0C Resolution: 1C * Scale to determine the freezing point of ethanol-based screen washes Scale range: -40~0C Resolution: 5C * Scale SRF1 - Scale to determine the freezing point of isopropanol-based screen washes Scale range: -40~0C Resolution: 5C * Scale Urea - for measuring of liquid additive AdBlue The scale for liquid additive AdBlue used to treat exhaust gases to the level of emiion standards Euro 4 and Euro 5. Scale range: 30~50% Resolution: 0.2% Packing list: 1Refractometer 1 straw 1screwdriver 1Cleaning cloth 1English manual Note : this product with a box.